Wells-Dawson type heteropolyacids, their preparation and use as oxidation catalysts
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-027/14
B01J-023/00
B01J-023/40
B01J-023/72
B01J-023/16
출원번호
US-0135409
(1998-08-14)
발명자
/ 주소
Wijesekera Tilak P.
Lyons James E.
Ellis
Jr. Paul E.
출원인 / 주소
Rohm and Haas Company
대리인 / 주소
Koons, Jr., Esq.
인용정보
피인용 횟수 :
23인용 특허 :
18
초록
Alkanes are converted to unsaturated carboxylic acids by contacting an alkane with an oxidizing agent and a Wells-Dawson type heteropolyacid supported on wide pore polyoxometallate salts.
대표청구항▼
[ What is claimed is:] [1.] A composition of matter comprising at least one heteropolyacid having the formula H.sub.(e'-bz') G.sub.b (X.sub.2 M.sub.m' M'.sub.x' M".sub.n' O.sub.y').sup.-e' on a support comprising at least one polyoxometallate having the formula C.sub.a H.sub.(e-az) (X.sub.k M.sub.m
[ What is claimed is:] [1.] A composition of matter comprising at least one heteropolyacid having the formula H.sub.(e'-bz') G.sub.b (X.sub.2 M.sub.m' M'.sub.x' M".sub.n' O.sub.y').sup.-e' on a support comprising at least one polyoxometallate having the formula C.sub.a H.sub.(e-az) (X.sub.k M.sub.m M'.sub.x M".sub.n O.sub.y).sup.-e, where(a) in the formula of said heteropolyacid, cation G is Cu.sup.++, Fe.sup.+++, Co, Mn, Ni, La, Li, Na, K or Rb, or an oxy ion of Ti, V, Cr, Mo, U, As, Bi, Sb, Nb or ammonium, tetraalkylammonium, pyridinium, quinolinium, protonated aromatic amines or protonated aliphatic amines, or combinations thereof, or is absent; X is a Group IIIB, IVB, VB, VIB or transition metal; M is molybdenum or tungsten or combinations thereof; M' is vanadium; M" is independently zinc or a transition metal different from M and M', or combination thereof; z' is the charge on said cation G; e' is the charge of anion (X.sub.2 M.sub.m' M'.sub.x' M".sub.n' O.sub.y'); b is the number of cations G; m' is 12 to 18, x' is 0 to 6, n' is 0 to 3 where m'+x'+n'=18, and y' is 48 to 62; and(b) in the formula of said support, cation C is selected from the group consisting of potassium, rubidium, cesium, magnesium, calcium, strontium, barium, vanadium, chromium, lanthanum, manganese, iron, cobalt, ruthenium, copper, actinide metal, lanthanide metal, metal oxy anion, ammonium, tetraalkylammonium, pyridinium, quinolinium, protonated aromatic amines and protonated aliphatic amines, or combinations thereof; X is a Group IIIB, IVB, VB, VIB or transition metal; M is molybdenum or tungsten or combinations thereof; M' is vanadium; M" is independently zinc or a transition metal different from M and M', or combination thereof; z is the charge on said cation C; a is the number of cations C; e is the charge of anion (X.sub.k M.sub.m M'.sub.x M".sub.n O.sub.y); k is 1 to 5, m is 5 to 18, x is 0 to 6, n is 0 to 3 and y is 18 to 62; and(c) said support is a porous material, which material has pore volumes in the range from 0.01 to 0.25 ml/g and a pore size distribution in which more than approximately 60% of said pores have a pore radius of greater than or equal to approximately 75 .ANG..
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이 특허에 인용된 특허 (18)
Schwarz James A. (Fayetteville NY) Putyera Karol (Syracuse NY) Jagiello Jacek (Syracuse NY) Bandosz Teresa J. (Syracuse NY), Activated carbons molecularly engineered.
Lyons James E. (Wallingford PA) Ellis ; Jr. Paul E. (Downingtown PA) Myers ; Jr. Harry K. (Cochranville PA) Suld George (Springfield PA) Langdale Wayne A. (Milmont Park PA), Alkane oxidation catalysts.
Lyons James E. (Wallingford PA) Ellis ; Jr. Paul E. (Downingtown PA) Langdale Wayne A. (Milmont Park PA) Myers ; Jr. Harry K. (Cochranville PA), Method of preparing heteropolyacid catalysts.
Lyons James E. (Wallingford PA) Ellis ; Jr. Paul E. (Downingtown PA) Myers ; Jr. Harry K. (Cochranville PA) Suld George (Springfield PA) Langdale Wayne A. (Milmont Park PA), Oxidation of alkanes.
Shaikh Shahid N. (Media PA) Ellis ; Jr. Paul E. (Downingtown PA) Lyons James E. (Wallingford PA), Oxidation of hydrocarbons over ordered arrays of heteropolyacids and polyoxoanions on graphite.
Callahan James L. (Norwich NY) Desmond Michael J. (Cleveland Heights OH) Pepera Marc A. (Northfield Center OH), Process for the reductive deposition of polyoxometallates.
Harle,Virginie; Martin,Catherine; Payen,Edmond; Lamonier,Carole; Blanchard,Pascal, Catalyst based on a group VI metal and a group VIII metal at least partially present in the form of heteropolyanions in the oxide precursor.
Stevenson, Scott A.; Liang, Wugeng; Kauffman, James W.; Cai, Lixia; McGuffey, Angie; Linzer, Joseph R., Catalyst for methacrolein oxidation and method for making and using same.
Liang, Wugeng; Stevenson, Scott A.; McGuffey, Angie; Linzer, Joseph R., Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same.
Kauffman, James W.; Sullivan, David L.; Dostal, Joe D., High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins.
Stevenson, Scott A.; Liang, Wugeng; Kauffman, James W.; Cai, Lixia; McGuffey, Angie; Linzer, Joseph R., Methods for making unsaturated acids using catalysts for methacrolein oxidation.
Borchert Holger,DEX ; Dingerdissen Uwe,DEX, Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide.
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