Method for the manufacture of chlorophthalic anhydride
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07D-493/02
C07D-209/48
C07C-051/16
C07C-051/255
출원번호
US-0063112
(2002-03-22)
발명자
/ 주소
Colborn, Robert Edgar
Hall, David Bruce
Koch, Peter
Oeckel, Gerald
출원인 / 주소
General Electric Company
인용정보
피인용 횟수 :
3인용 특허 :
180
초록
A method for the manufacture of chlorophthalic acid by liquid phase oxidation of chloro-ortho-xylene is disclosed. The chlorophthalic acid may be dehydrated to form chlorophthalic anhydride which is useful in the synthesis of polyetherimide.
대표청구항▼
A method for the manufacture of chlorophthalic acid by liquid phase oxidation of chloro-ortho-xylene is disclosed. The chlorophthalic acid may be dehydrated to form chlorophthalic anhydride which is useful in the synthesis of polyetherimide. a divalent radical, where the left hand side of the radic
A method for the manufacture of chlorophthalic acid by liquid phase oxidation of chloro-ortho-xylene is disclosed. The chlorophthalic acid may be dehydrated to form chlorophthalic anhydride which is useful in the synthesis of polyetherimide. a divalent radical, where the left hand side of the radical as shown below is connected to C" and the right hand side of the radical as shown below is connected to C', selected from the group consisting of --NR2--C(O)--NR2--, --NR2--S(O)2--NR2--, --O--C(O)--NR2--, --NR2--C(O)--O--, --C(O)--NR2--C(O)--, --C(O)--NR2--C(R9R10)--, --C(R9R10)--NR2--C(O)--, --C(R9R10)--C(R9R10)--C(R9R10)--, --S(O)2--C(R9R10)--C(R9R10)--, --C(R9R10)--O--C(O)--, --C(R9R10)--O--C(R9R10)--, --NR2--C(O)--C(R9R10)--, --O--C(O)--C(R9R10)--, --C(R9R10)--C(O)--NR2--, --C(O)--NR2--C(O)--, --C(R9R10)--C(O)--O--, --C(O)--NR2--C(R9R10)--C(R9R10)--, --C(O)--O--C(R9R10)--, --C(R9R10)--C(R9R10)--C(R9R10)--C(R9R10)--, --S(O)2--NR2--C(R9R10)--C(R9R10)--, --C(R9R10)--C(R9R10)--NR2--C(O)--, --C(R9R10)--C(R9R10)--O--C(O)--, --NR2--C(O)--C(R9R10)--C(R9R10)--, --NR2--S(O)2--C(R9R10)--C(R9R10)--, --O--C(O)--C(R9R10)--C(R9R10)--, --C(R9R10)--C(R9R10)--C(O)--NR2--, --C(R9R10)--C(R9R10)--C(O)--, --C(R9R10)--NR2--C(O)--O--, --C(R9R10)--O--C(O)--NR2--, --C(R9R10)--NR2--C(O)--NR2--, --NR2--C(O)--O--C(R9R10)--, --NR2--C(O)--NR2--C(R9R10)--, --NR2--S(O)2--NR2--C(R9R10)--, --O--C(O)--NR2--C(R9R10)--, --C(O)--N=C(R11)--NR2--, --C(O)--NR2--C(R11)=N--, --C(R9R10)--NR12--C(R9R10)--, --NR12--C(R9R10)--, --NR12--C(R9R10)--C(R9R10)--, --C(O)--O--C(R9R10)--C(R9R10)--, --NR2--C(R11)=N--C(O)--, --C(R9R10)--C(R9R10)--N(R12)--, --C(R9R10)--NR12--, --N=C(R11)--NR2--C(O)--, --C(R9R10)--C(R9R10)--NR2--S(O)2--, --C(R9R10)--C(R9R10)--S(O)2--NR2--, --C(R9R10)--C(R9R10)--C(O)--O--, --C(R9R10)--S(O)2--C(R9R10)--, --C(R9R10)--C(R9R10)--S(O)2--, --O--C(R9R10)--C(R9R10)--, --C(R9R10)--C(R9R10)--O--, --C(R9R10)--C(R9R10)--, --C(O)--C(R9R10)--C(R9R10)-- and --C(R9R10)--NR2--S(O)2--NR2--; Q is a covalent bond or CH2; W is CH or N; X is CR9R10,C=CH2or C=O; Y is CR9R10,O or NR2; Z is C=O, C=S or S(O)2; G1is hydrogen, halo, hydroxy, nitro, amino, cyano, phenyl, carboxyl, --CONH2,--C1-C4)alkyl optionally independently substituted with one or more phenyl, one or more halogens or one or more hydroxy groups, --(C1-C4)alkoxy optionally independently substituted with one or more phenyl, one or more halogens or one or more hydroxy groups, --(C1-C4)alkylthio, phenoxy, --COO(C1-C4)alkyl, N,N-di-(C1-C4)alkylamino, --(C2-C6)alkenyl optionally independently substituted with one or more phenyl, one or more halogens or one or more hydroxy groups, --(C2-C6)alkynyl optionally independently substituted with one or more phenyl, one or more halogens or one or more hydroxy groups, --(C3-C6)cycloalkyl optionally independently substituted with one or more (C1-C4)alkyl groups, one or more halogens or one or more hydroxy groups, --(C1-C4)alkylamino carbonyl or di-(C1-C4)alkylamino carbonyl; G2and G3are each independently selected from the group consisting of hydrogen, halo, hydroxy, --(C1-C4)alkyl optionally independently substituted with one to three halo groups and --(C1-C4)alkoxy optionally independently substituted with one to three halo groups; R1is hydrogen, --CN, --(CH2)qN(X6)C(O)X6,--(CH2)qN(X6)C(O)(CH2)t--A1,--(CH2)qN(X6)S(O)2(CH2)t--A1,--(CH2)qN(X6)S(O)2X6,--(CH2)qN)C(O)N(X6)(CH2)t--A1,--(CH2)qN(X6)C(O)N(X6)(X6), --(CH2)qC(O)N(X6)(X6), --(CH2)qC(O)N(X6(CH2)t--A1,--(CH2)qC(O)OX6,--(CH2)qC(O)O(CH2)t--A1,--(CH2)qOX6,--(CH2)qOC(O)X6,--(CH2)qOC(O)(CH2)t--A1,--(CH2)qOC(O)N(X6)(CH2)t--A1,--(CH2)qOC(O)N(X6)(X6), --(CH2)qC(O)X6,--(CH2)qC(O)CH2)t--A1,--(CH2)qN(X6)C(O)OX6,--(CH2)qN(X6)S(O)2N(X6)(X6), --(CH2)qS(O)mX6,--(CH2)qS(O)m(CH2)t--A1,--(C1-C10)alkyl, --(CH2)t--A1,--(CH2)q--(C3-C7)cycloalkyl, --(CH2)q--Y1--(C1-C6)alkyl, --(CH2)q--Y1--(CH2)t--A1or --(CH2)q--Y1--(CH2)t--(C3-C7)cycloalkyl; where the alkyl and cycloalkyl groups in the definition of R1are optionally substituted with (C1-C4)alkyl, hydroxy, (C1-C4)alkoxy, carboxyl, --CONH2,--S(O)m(C1-C6)alkyl, --CO2(C1-C4)alkyl ester, 1H-tetrazol-5-yl or 1, 2 or 3 fluoro groups; Y1is O, S(O)m,--C(O)NX6--, --CH=CH--, --C≡C--, --N(X6)C(O)--, --C(O)NX6--, --C(O)O--, --OC(O)N(X6)-- or --OC(O)--; q is 0, 1, 2, 3 or 4; t is 0, 1, 2 or 3; said --(CH2)qgroup and (CH2)tgroup in the definition of R1are optionally independently substituted with hydroxy, (C1-C4)alkoxy, carboxyl, --CONH2,--S(O)m(C1-C6)alkyl, --CO2(C1-C4)alkyl ester, 1H-tetrazol-5-yl, 1, 2 or 3 fluoro groups or 1 or 2 (C1-C4)alkyl groups; R1Ais selected from the group consisting of hydrogen, F, Cl, Br, I, (C1-C6)alkyl, phenyl(C1-C3)alkyl, pyridyl(C1-C3)alkyl, thiaolyl(C1-C3)alkyl and thienyl(C1-C3)alkyl, provided that R1Ais not F, Cl, Br or I when a heteroatom is vicinal to C"; R2is hydrogen, (C1-C8)alkyl, --(C0-C3)alkyl-(C3-C8)cycloalkyl, --(C1-C4)alkyl-A1or A1; where the alkyl groups and the cycloalkyl groups in the definition of R2are optionally substituted with hydroxy, --C(O)OX6,--C(O)N(X6)(X6), --N(X6)(X6), --S(O)m(C1-C6)alkyl, --C(O)A1,--C(O)(X6), CF3,CN or 1, 2 or 3 independently selected halo groups; R3is selected from the group consisting of A1,(C1-C10)alkyl, --(C1-C6)alkyl-A1,--(C1-C6)alkyl-(C3-C7)cycloalkyl, --(C1-C5)alkyl-X1--(C1-C5)alkyl, --(C1-C5)alkyl-X1--(C0-C5)alkyl-A1and --(C1-C5)alkyl-X1--(C1-C5)alkyl-(C3-C7)cycloalkyl; where the alkyl groups in the definition of R3are optionally substituted with --S(O)m(C1-C6)alkyl, --C(O)OX3,1, 2, 3, 4 or 5 independently selected halo groups or 1, 2 or 3 independently selected --OX3groups; X1is O, S(O)m,--N(X2)C(O)--, --C(O)N(X2)--, --OC(O)--, --C(O)O--, --CX2=CX2--, --N(X2)C(O)O--, --OC(O)N(X2)-- or --C≡C--; R4is hydrogen, (C1-C6)alkyl or (C3-C7)cycloalkyl, or R4is taken together with R3and the carbon atom to which they are attached and form (C5-C7)cycloalkyl, (C5-C7)cycloalkenyl, a partially saturated or fully saturated 4- to 8-membered ring having 1 to 4 heteroatoms independently selected from the group consisting of oxygen, sulfur and nitrogen, or is a bicyclic ring system consisting of a partially saturated or fully saturated 5- or 6-membered ring, fused to a partially saturated, fully unsaturated or fully saturated 5- or 6-membered ring, optionally having 1 to 4 heteroatoms independently selected from the group consisting of nitrogen, sulfur and oxygen; X4is hydrogen or (C1-C6)alkyl or X4is taken together with R4and the nitrogen atom to which X4is attached and the carbon atom to which R4is attached and form a five to seven membered ring; R6is a bond or is where a and b are each independently 0, 1, 2 or 3; X5and X5aeach independently selected from the group consisting of hydrogen, CF3,A1and optionally substituted (C1-C6)alkyl; the optionally substituted (C1-C6)alkyl in the definition of X5and X5ais optionally substituted with a substituent selected from the group consisting of A1,OX2,--S(O)m(C1-C6)alkyl, --C(O)OX2,(C3-C7)cycloalkyl, --N(X2)(X2) and --C(O)N(X2)(X2); or the carbon bearing X5or X5aforms one or two alkylene bridges with the nitrogen atom bearing R7and R8wherein each alkylene bridge contains 1 to 5 carbon atoms, provided that when one alkylene bridge is formed then only one of X5or X5ais on the carbon atom and only one of R7or R8is on the nitrogen atom and further provided that when two alkylene bridges are formed then X5and X5acannot be on the carbon atom and R7and R8cannot be on the nitrogen atom; or X5is taken together with X5aand the carbon atom to which they are attached and form a partially saturated or fully saturated 3- to 7-membered ring, or a partially saturated or fully saturated 4- to 8-membered ring having 1 to 4 heteroatoms independently selected from the group consisting of oxygen, sulfur and nitrogen; or X5is taken together with X5aand the carbon atom to which they are attached and form a bicyclic ring system consisting of a partially saturated or fully saturated 5- or 6-membered ring, optionally having 1 or 2 heteroatoms independently selected from the group consisting of nitrogen, sulfur and oxygen, fused to a partially saturated, fully saturated or fully unsaturated 5- or 6-membered ring, optionally having 1 to 4 heteroatoms independently selected from the group consisting of nitrogen, sulfur and oxygen; Z1is a bond, O or N--X2,provided that when a and b are both 0 then Z1is not N--X2or O; R7and R8are each independently hydrogen or optionally substituted (C1-6)alkyl; where the optionally substituted (C1-C6)alkyl in the definition of R7and R8is optionally independently substituted with A1,--C(O)O--(C1-C6)alkyl, --S(O)m(C1-C6)alkyl, 1 to 5 halo groups, 1 to 3 hydroxy groups, 1 to 3 --O--C(O)(C1-C10)alkyl groups or 1 to 3 (C1-C6)alkoxy groups; or R7and R8can be taken together to form --(CH2)r--L--(CH2)r--; where L is C(X2)(X2), S(O)mor N(X2); R9and R10are each independently selected from the group consisting of hydrogen, fluoro, hydroxy and (C1-C5)alkyl optionally independently substituted with 1-5 halo groups; R11is selected from the group consisting of (C1-C5)alkyl and phenyl optionally substituted with 1-3 substitutents each independently selected from the group consisting of (C1-C5)alkyl, halo and (C1-C5)alkoxy; R12is selected from the group consisting of (C1-C5)alkylsulfonyl, (C1-C5)alkanoyl and (C1-C5)alkyl where the alkyl portion is optionally independently substituted by 1-5 halo groups; A1for each occurrence is independently selected from the group consisting of (C5-C7)cycloalkenyl, phenyl, a partially saturated, fully saturated or fully unsaturated 4- to 8-membered ring optionally having 1 to 4 heteroatoms independently selected from the group consisting of oxygen, sulfur and nitrogen and a
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이 특허에 인용된 특허 (180)
Abrams Kenneth J. (Naperville IL), Apparatus for preparing aromatic carboxylic acids with efficient energy recovery.
Ueda Kenji (Hyogo JPX) Okuno Masaaki (Hyogo JPX) Kawabata Tatsuya (Hyogo JPX) Tanaka Shinya (Hyogo JPX), Catalyst for producing phthalic anhydride and process by using the same.
Yoo Jin S. (Flossmoor IL) Kleefisch Mark S. (Naperville IL) Donohue John A. (Elmhurst IL), Catalytic oxidation and oxidative dehydrogenation using metal-compound-loaded, deboronated hams-1b crystalline borosilic.
Naim Houssam M. (Naperville IL) Huie Nicholas C. (Naperville IL) Kuhlmann George E. (Naperville IL), Continuous production of ortho-phthalic acid product by two-step catalytic neat oxidation of liquid ortho-xylene with ai.
Chen Michael S. (Zionsville PA) Cook Philip J. (Schnecksville PA) Gunardson Harold H. (New Tripoli PA) Ulrich Melinda B. (Annandale NJ), Elevated pressure phthalic anhydride process.
Browder Larry W. (Kingsport TN) Medlin James C. (Kingsport TN) Spaugh ; Jr. Art T. (Kingsport TN), Extraction process for removal of impurities from terephthalic acid filtrate.
Block Ulrich (Ludwigshafen DEX) Muff Wolf (Laumersheim DEX) Nixdorf Klaus (Bobenheim-Roxheim DEX) Wagner Joachim (Ludwigshafen DEX), Generation of reduced pressure in apparatuses in the preparation of phthalic anhydride and maleic anhydride.
Carlson Ronald E. (Naperville IL) Ely Stephen R. (Naperville IL) Feinstein Allen I. (Wheaton IL) Ghanayem Ibrahim (Downers Grove IL), Hydrocarbon conversion processes over crystalline borosilicate catalysts for pseudocumene recovery.
Huber ; Jr. William F. (Naperville IL) Zeitlin Martin A. (Naperville IL), Method for increasing conversion efficiency for oxidation of an alkyl aromatic compound to an aromatic carboxylic acid.
Heberer Daniel L. (Shorewood IL) Schiller Paul R. (Naperville IL) Seemann Virginia R. (Naperville IL) Yerkes Michael J. (River Forest IL), Method for increasing the efficiency of liquid phase oxidation reactions.
Sanchez Paul A. (Burr Ridge IL) Young David A. (Cresthill IL) Kuhlmann George E. (Naperville IL) Partenheimer Walter (Naperville IL) Schammel Wayne P. (Naperville IL), Method for making 2,6-naphthalene dicarboxylic acid.
Sang-Eon Park KR; Jin S. Yoo ; Ki-Won Jun KR; David B. Raju KR; Young-Ho Kim KR, Method for preparing aromatic carboxylic acids from alkylaromatics by liquid-phase oxidation.
Hussmann Gregory P. (Batavia IL) Holzhauer Juergen K. (Naperville IL) Kuhlmann George E. (Naperville IL), Method for producing a di-(mono- or poly-)carboxyaryl ether.
Ueda Kenji (Hyogo JPX) Okuno Masaaki (Hyogo JPX) Kawabata Tatsuya (Hyogo JPX) Tanaka Shinya (Hyogo JPX), Method for production of phthalic anhydride by vapor-phase oxidation of mixture of ortho-xylene with naphthalene.
Spohn Ronald F. (Getzville NY) Sapienza ; Jr. Frank J. (Getzville NY) Morth Arthur H. (Grand Island NY), Method for the preparation of halophthalic anhydrides.
Leuck Hans (Troisdorf DEX) Westermann Hans-Jrg (Troisdorf DEX), Method for the production of benzene carboxylic acids and benzene dicarboxylic acid esters.
Geissen Rolf (Mrfelden-Walldorf DEX) Siebert Wolfgang (Frankfurt am Main DEX), Method of mixing a finely divided liquid with a gas to produce a mixture with the liquid in excess of its explosive limi.
Jhung Sung-Hwa,KRX ; Lee Ki-Hwa,KRX ; Park Youn-Seok,KRX ; Yoo Jin Sun, Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic compounds or partially oxidized intermediates thereof with carbon dioxide containing gas.
Jhung Sung-Hwa,KRX ; Park Youn-Seok,KRX, Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic compounds or partially oxidized intermediates thereof with oxygen-enriched gas.
Jhung Sung-Hwa,KRX ; Park Youn-Seok,KRX ; Lee Ki-Hwa,KRX ; Yoo Jin Sun ; Chae Jong-Hyun,KRX, Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic hydrocarbons or partially oxidized intermediates thereof.
June Raymond Lawrence ; Potter Michael Wayne ; Simpson Edward James ; Edwards Charles Lee, Method to produce aromatic dicarboxylic acids using cobalt and zirconium catalysts.
Vassiliou Eustathios ; Dassel Mark W. ; Rostami Ader M. ; Dudgeon Douglas J. ; DeCoster David C., Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids.
Darin John K. (Naperville IL) Partenheimer Walter (Naperville IL) Figuly Joseph D. (Munster IN), Minimizing oxygenated aromatic compound content of aqueous solution of reclaimed metal oxidation catalyst.
Karayannis Nicholas M. (Naperville IL) Cohen Steven A. (Naperville IL) Ledermann Julie L. (Geneva IL), Olefin polymerization and copolymerization catalyst.
Johnstone Alexander (Little Neston GBX) Rowbottom Kenneth T. (Woolston GBX) Sanderson William R. (Penketh TX GBX) Jeff Martin (Houston TX) Service Miranda (Latchford GBX), Oxidation of alkylaromatics.
Kuhlmann George E. (Lisle IL) Bemis Alan G. (Naperville IL), Oxidation of di- and trimethyl aromatic hydrocarbons having ortho-oriented methyl groups in liquid phthalic acid.
Darin John K. (Naperville IL) Bemis Alan G. (Naperville IL), Oxidation of pseudocumene to trimellitic acid enhanced by low gram atom ratios of zirconium to transition metal in oxida.
Ivanov Alexey A. (Novosibirsk SUX) Mescheryakov Vitaly D. (Novosibirsk SUX) Stepanov Sergey P. (Novosibirsk SUX) Chaykovsky Sergey P. (Novosibirsk SUX) Yabrov Alexandr A. (Novosibirsk SUX) Gaevoy Vic, Oxidation process and apparatus.
Partenheimer Walter (Naperville IL) Schammel Wayne P. (Naperville IL), Oxidation process for the manufacture of aromatic acids from alkylaromatic compounds.
Knips Ulrich (Kamen-Heeren-Werve DEX) Bohmer Bertram (Lunen DEX) Herzberg Roland (Castrop-Rauxel DEX), Oxidation process of reactive aromatics with reactivation of the catalyst using potassium permanganate.
Sikkenga David L. (Wheaton IL) Haddad Muin S. (Naperville IL), Post-treatment of AMS-1B crystalline borosilicate molecular sieve-based catalyst compositions.
Horsfield Sydney G. (Wheaton IL) Kuhlmann George E. (Naperville IL) Bemis Alan G. (Naperville IL), Preparation of phthalic acid by single step continuous air oxidation of liquid ortho-xylene.
Aichinger Heinrich (Mannheim DEX) Ruppel Wilhelm (Schwetzingen DEX) Seubert Rolf (Frankenthal DEX) Boehning Karl-Heinz (Ludwigshafen DEX) Scheidmeir Walter (Limburgerhof DEX) Schmidt Johannes E. (Lud, Preparation of phthalic anhydride from o-xylene.
Young David A. (Warrenville IL) Volling Mary E. (Joliet IL), Process for catalytic oxidation of ortho-nitroaromatic compounds to ortho-nitroaromatic acids.
Thomas Fairchild Brownscombe ; Susan Secor Pfrehm ; William Larry King, Process for making an aromatic diacid in one step using a single catalyst system.
Partenheimer Walter (Naperville IL) Graziano Diane J. (Clarendon Hills IL), Process for making aromatic polycarboxylic acids and oxidation catalyst system.
Sumner ; Jr. Charles E. (Kingsport TN) Gustafson Bruce L. (Kingsport TN) Arnold ; III Ernest W. (Blountville TN) Fugate Eric J. (Gate City VA) Fuller ; Jr. Dewey W. (Bristol TN), Process for preparing 2,5-diphenylterephthalic acid by oxidation.
Harper Jon J. (Naperville IL) Kuhlmann George E. (Naperville IL) Larson Keith D. (Chicago IL) McMahon Rosemary F. (Wheaton IL) Sanchez Paul A. (Lisle IL), Process for preparing 2,6-naphthalene-dicarboxylic acid.
Hashizume Hiroshi (Kurashiki JPX) Izumisawa Yoshiaki (Kitakyushu JPX), Process for preparing terephthalic acid by the catalytic oxidation with air of p-xylene in a water containing acetic aci.
Nazimok Vladimir F. (Tula RUX) Goncharova Nadezhda N. (Tula RUX) Yurjev Valerij P. (Tula RUX) Manzurov Vladimir D. (Tula RUX), Process for producing highly purified benzenedicarboxylic acid isomers.
Brugge Stephen P. (Naperville IL) Holzhauer Juergen K. (Naperville IL) Wolff Thomas E. (Lisle IL), Process for producing sulfonylbis (phthalic anhydride).
Schammel Wayne P. (Naperville IL) Park Chang-Man (Naperville IL) Ruedin Donald E. (Joliet IL) Wood John N. (Joliet IL) Fende Leo C. (Joliet IL), Process for pseudocumene oxidation to trimellitic acid with mother liquor recycle.
Broeker Jeffrey L. (Naperville IL) Partenheimer Walter (Naperville IL) Rosen Bruce I. (Morton Grove IL), Process for the manufacture of aromatic dicarboxylic acids utilizing cerium to facilitate a low bromine to metals cataly.
Holzhauer Juergen K. (Naperville IL) Michalak Dennis J. (Warrenville IL) Schammel Wayne P. (Naperville IL), Process for the oxidation of di- or trimethylbenzenes in the presence of cobalt and manganese from oxidation residue inc.
Seper Karl W. (Youngstown NY) Colman Edward J. (Niagara Falls NY) Tang David Y. (E. Amherst NY) Cocoman Mary K. (Grand Island NY) Buckholtz Harry E. (Lewiston NY), Process for the preparation of halophthalic anhydrides.
Tang David Y. (E. Amherst NY) Cocoman Mary K. (Grand Island NY) Buckholtz Harry E. (Lewiston NY), Process for the preparation of halophthalic anhydrides.
Lee Guo-shuh J. (Midland MI) Burdett Kenneth A. (Midland MI) Maj Joseph J. (Midland MI), Process for the preparation of para,para′-polyphenyldicarboxylic acid.
Partenheimer Walter (Naperville IL) Hussmann Gregory P. (Warrenville IL) Holzhauer Juergen K. (Naperville IL) Hoover Stephen V. (Aurora IL), Process for the production of an aromatic polycarboxylic acid.
Schammel Wayne P. (Naperville IL) Darin ; deceased John K. (late of Naperville IL by Catherine L. Darin ; administratrix), Process for the production of trimellitic acid and pyromellitic acid by staged bromine addition in an oxidation of polya.
Kilner Peter H. (Sunnyvale CA) Egan ; Jr. Joseph P. (Plainfield IL) Ceisel Stephen G. (Shorewood IL) Schammel Wayne P. (Naperville IL), Process for the production of trimellitic anhydride.
Costantini Giuseppe (Mogliano Veneto ITX) Serafini Mauro (Milan ITX) Paoli Pietro (Carpenedo-Mestre ITX), Process for the recovery of the solvent and of the by-produced methylacetate in the synthesis of terephthalic acid.
Meyer Gerhard (Blumenstr. 26 8753 Obernburg DEX) Klimesch Erich (Berlinerstr. 11 8765 Erlenbach DEX), Process for, respectively, the production and purification of dicarboxylic and polycarboxylic acid anhydrides.
Palmer David A. (Naperville IL) Kuhlmann George E. (Naperville IL) Horsfield Sydney G. (Wheaton IL) Schroeder Hobe (Warrenville IL), Production of liquid ortho-phthalic acid and its conversion to high purity phthalic anhdyride.
Schroeder Hobe (Warrenville IL) Kuhlmann George E. (Naperville IL) Horsfield Sydney G. (Wheaton IL) Palmer David A. (Naperville IL), Production of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydride.
Schroeder Hobe (Warrenville IL) Palmer David A. (Naperville IL) Kuhlmann George E. (Naperville IL) Naim Houssam M. (Naperville IL) Huie Nicholas C. (Naperville IL), Production of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydride.
Palmer David A. (Naperville IL) Kuhlmann George E. (Naperville IL) Naim Houssam M. (Naperville IL) Huie Nicholas C. (Naperville IL) Schroeder Hobe (Warrenville IL), Production of ortho-phthalic acid and its conversion and recovery of phthalic anhydride.
Belmonte Frank G. (Norwood Park IL) Fjare Kristi A. (Naperville IL) Partenheimer Walter (Naperville IL), Production of polycarboxylic acids with hafnium-activated cobalt catalyst.
Hanotier Jacques D. V. (Lasne Chapelle St. Lambert BEX) Hanotier-Bridoux Monique J. S. (Lasne Chapelle St. Lambert BEX), Production of terephthalic acid.
Turner John Arthur,GBX ; Royall David John,GBX ; Hugall Duncan Stuart,GBX ; Jones Graham Howard,GBX ; Woodcock Duncan Charles,GBX, Production of terephthalic acid.
Roby Anne Katherine (Golden\s Bridge NY), Production of terephthalic acid with excellent optical properties through the use of pure or nearly pure oxygen as the o.
Zeitlin Martin A. (Naperville IL) McQuillin Stafford J. (Mount Pleasant SC), Recycle of vaporized solvent in liquid phase oxidation of an alkyl aromatic.
Weinert ; Jr. Raymond J. (Garfield Heights OH) Benton Kenneth C. (Garfield Heights OH), Supported catalysts useful for the polymerization of alpha-olefins.
Colborn, Robert Edgar; Hall, David Bruce; Koch, Peter Alois; Demuth, Bernd Volker; Wessel, Thomas; Mack, Karl Ernst; Tatake, Prashant Anil; Vakil, Uptal Mahendra; Gondkar, Shyamal Bhaskar; Pace, John Edward; Won, Kwang Woong, Method of making halophthalic acids and halophthalic anhydrides.
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