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Continuous recovery of (meth)acrylic acid 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-003/34
  • C07C-051/44
출원번호 US-0362911 (1999-07-29)
우선권정보 DE-0038783 (1998-08-26)
발명자 / 주소
  • Otto Machhammer DE
  • Susanne Haupt DE
  • Volker Schliephake DE
  • Jurgen Schroder DE
출원인 / 주소
  • BASF Aktiengesellschaft DE
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 12  인용 특허 : 10

초록 ▼

A process for the continuous recovery of (meth)acrylic acid from a liquid starting mixture containing (meth)acrylic acid, a high-boiling organic solvent and low boilers, medium boilers and high boilers is proposed, the mixture being separated into a first part-stream (a), which, in addition to (meth

대표청구항 ▼

1. A process for the continuous recovery of (meth)acrylic acid from a liquid starting mixture containing(meth)acrylic acid, a high-boiling organic solvent, low boilers, medium boilers and high boilers, comprising:separating said liquid starting mixture into a part-stream (a) and a part-stream (b) in

이 특허에 인용된 특허 (10)

  1. Kroker Ruprecht,DEX ; Wiedemann Manfred,DEX, Continuous distillative separation of liquid mixtures which contain (meth) acrylic acid as the main component.
    상세보기
  2. Honma Akihiro (Hiratsuka JPX) Kurokawa Masahiro (Hiratsuka JPX), Method of purifying crude glycidyl (meth)acrylate.
    상세보기
  3. Matsumura Hiroshi (Otake JPX) Tokutomi Takashi (Otake JPX) Matsuzawa Hideo (Otake JPX), Method of separating and purifying methacrylic acid.
    상세보기
  4. Herbst Holger (Frankenthal DEX) Nestler Gerhard (Ludwigshafen DEX) Hammon Ulrich (Mannheim DEX), Process for the fractional separation of (meth)acrylic acid from a mixture containing (meth)acrylic acid.
    상세보기
  5. Herbst Holger,DEX ; Hammon Ulrich,DEX, Process of isolation of (Meth) acrylic acid.
    상세보기
  6. Ohrui Tetsuya (Niihama JPX) Kato Michio (Niihama JPX) Ayano Masami (Saijo JPX) Kawaguchi Tsunejiro (Niihama JPX) Abe Tadashi (Niihama JPX), Purification of crude acrylic acid.
    상세보기
  7. Duembgen Gerd (Dannstadt DT) Engelbach Heinz (Limburgerhof DT) Frey Walter (Mannheim DT) Krabetz Richard (Kirchheim DT) Lebert Ulrich (Ludwigshafen DT) Spitzl Hermann (Ludwigshafen DT) Thiessen Fritz, Recovering anhydrous acrylic acid.
    상세보기
  8. Herbst Holger,DEX ; Nestler Gerhard,DEX ; Darlington Jerry ; Hammon Ulrich,DEX, Separation of (meth) acrylic acid by rectification.
    상세보기
  9. Biola Georges (Bron FRX) Komorn Yves (Lyons FRX) Schneider Gerard (Caluire FRX), Separation of acrylic acid from solutions thereof in tri-n-butyl phosphate.
    상세보기
  10. Willersinn Carl-Heinz (Ludwigshafen DEX), Separation of acrylic acid from the reaction gases from the catalytic oxidation of propylene and/or acrolein.
    상세보기

이 특허를 인용한 특허 (12)

  1. Diehl,Volker; J채ger,Ulrich; Schr철der,J체rgen; Thiel,Joachim, Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated.
    상세보기
  2. Schliephake,Volker; Hammon,Ulrich; Becher,Rolf Dieter; Muller Engel,Klaus Joachim, Operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound.
    상세보기
  3. Dieterle, Martin; Diefenbacher, Armin; Schindler, Goetz Peter; Klanner, Catharina; Mueller Engel, Klaus Joachim; Adami, Christoph, Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene.
    상세보기
  4. Dieterle, Martin; Mueller-Engel, Klaus Joachim; Hechler, Claus; Hammon, Ulrich; Diefenbacher, Armin, Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene.
    상세보기
  5. Yada,Shuhei; Ogawa,Yasushi; Takasaki,Kenji; Suzuki,Yoshiro, Process for producing (meth) acrylic acid compound.
    상세보기
  6. Lipowsky,Gunter; Mueller Engel,Klaus Joachim, Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid.
    상세보기
  7. Heilek, Joerg; Mueller Engel, Klaus Joachim; Adami, Christoph; Dieterle, Martin, Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component.
    상세보기
  8. Heilek, Jörg; Müller-Engel, Klaus Joachim; Adami, Christoph; Dieterle, Martin, Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component.
    상세보기
  9. Hoefer, Frank; Schliephake, Volker; Mueller Engel, Klaus Joachim, Rectificative separation of an acrylic acid-containing liquid.
    상세보기
  10. Diehl, Volker; Jaeger, Ulrich; Hammon, Ulrich; Schroeder, Juergen; Rissel, Steffen, Thermal separating process.
    상세보기
  11. Diehl,Volker; Jaeger,Ulrich; Hammon,Ulrich; Schroeder,Juergen; Rissel,Steffen, Thermal separating process.
    상세보기
  12. Thiel,Joachim; Vandenmersch,Hugues; Schroeder,Juergen; Dams,Albrecht, Thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers.
    상세보기

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