IN170253B - - Google Patents

Info

Publication number
IN170253B
IN170253B IN517/CAL/88A IN517CA1988A IN170253B IN 170253 B IN170253 B IN 170253B IN 517CA1988 A IN517CA1988 A IN 517CA1988A IN 170253 B IN170253 B IN 170253B
Authority
IN
India
Application number
IN517/CAL/88A
Other languages
English (en)
Inventor
Morimasa Kuragano
Kozo Iwasaki
Takeshi Isobe
Isao Fukuda
Minoru Koshibe
Yoshihiro Sezaki
Hirozo Segawa
Katsuji Yoguchi
Original Assignee
Mitsui Toatsu Chemicals
Kuraray Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62158825A external-priority patent/JP2504777B2/ja
Priority claimed from JP15882787A external-priority patent/JPH0759532B2/ja
Priority claimed from JP19434687A external-priority patent/JPH0780810B2/ja
Priority claimed from JP19434587A external-priority patent/JPH0780809B2/ja
Application filed by Mitsui Toatsu Chemicals, Kuraray Co filed Critical Mitsui Toatsu Chemicals
Priority to IN970CA1990 priority Critical patent/IN172996B/en
Priority to IN971CA1990 priority patent/IN172876B/en
Publication of IN170253B publication Critical patent/IN170253B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IN517/CAL/88A 1987-06-27 1988-06-24 IN170253B (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IN970CA1990 IN172996B (fr) 1988-06-24 1990-11-16
IN971CA1990 IN172876B (fr) 1988-06-24 1990-11-16

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP62158825A JP2504777B2 (ja) 1987-06-27 1987-06-27 反応ガスの急冷方法
JP15882787A JPH0759532B2 (ja) 1987-06-27 1987-06-27 メタクリル酸生成ガスの急冷方法
JP19434687A JPH0780810B2 (ja) 1987-08-05 1987-08-05 メタクリル酸水溶液の処理方法
JP19434587A JPH0780809B2 (ja) 1987-08-05 1987-08-05 メタクリル酸水溶液の処理方法

Publications (1)

Publication Number Publication Date
IN170253B true IN170253B (fr) 1992-03-07

Family

ID=27473573

Family Applications (1)

Application Number Title Priority Date Filing Date
IN517/CAL/88A IN170253B (fr) 1987-06-27 1988-06-24

Country Status (7)

Country Link
US (1) US4987252A (fr)
EP (1) EP0297788B1 (fr)
KR (1) KR910002223B1 (fr)
CN (1) CN1022237C (fr)
CA (1) CA1316545C (fr)
DE (1) DE3876156T2 (fr)
IN (1) IN170253B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3289303B2 (ja) * 1992-03-06 2002-06-04 住友化学工業株式会社 アクロレインの製造方法
JP3279491B2 (ja) * 1996-12-16 2002-04-30 株式会社日本触媒 （メタ）アクリル酸の製造方法
DE19814421A1 (de) * 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern
JP5073129B2 (ja) * 1999-03-31 2012-11-14 株式会社日本触媒 （メタ）アクリル酸の精製方法
JP3787261B2 (ja) * 1999-04-16 2006-06-21 株式会社日本触媒 易重合性化合物の重合防止方法
JP2001081050A (ja) * 1999-09-10 2001-03-27 Nippon Shokubai Co Ltd 易重合性化合物の取り扱い装置および取り扱い方法
JP4759153B2 (ja) * 2001-03-21 2011-08-31 株式会社日本触媒 （メタ）アクリル酸溶液の蒸留方法
EP1511702B1 (fr) * 2002-06-10 2006-03-01 Uop Llc Tour de trempe a deux etages pour utilisation lors d'un procede de conversion de composes oxygenes
DE602005021361D1 (de) * 2004-08-02 2010-07-01 Lg Chemical Ltd Verfahren zur herstellung von (meth)acrylsäure
US7799946B2 (en) * 2007-02-14 2010-09-21 Saudi Basic Industries Corporation Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene
EP2085376B1 (fr) 2008-01-30 2012-09-05 Evonik Röhm GmbH Procédé pour la préparation d'acide méthacrylique de grande pureté
US8151482B2 (en) * 2008-11-25 2012-04-10 William H Moss Two-stage static dryer for converting organic waste to solid fuel
PL2711350T3 (pl) * 2011-05-19 2018-02-28 Asahi Kasei Kabushiki Kaisha Sposób wytwarzania 1,3-butadienu
IN2014CN02726A (fr) * 2011-09-16 2015-07-03 Evonik Roehm Gmbh
WO2013163806A1 (fr) 2012-05-03 2013-11-07 Evonik Industries Ag Procédé de préparation d'acide méthacrylique de haute pureté, qui ne jaunit pas
JP2016516732A (ja) 2013-03-18 2016-06-09 エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｒｏｅｈｍ ＧｍｂＨ メタクリル酸及びメタクリル酸エステルの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059891B2 (ja) * 1977-09-28 1985-12-27 住友化学工業株式会社 メタクロレインおよびメタクリル酸の分離方法
IN151108B (fr) * 1978-09-13 1983-02-19 Standard Oil Co
JPS56122327A (en) * 1980-03-03 1981-09-25 Mitsubishi Chem Ind Ltd Preparation of methacrylic acid
JPS5791944A (en) * 1980-12-01 1982-06-08 Nippon Kayaku Co Ltd Recovery of methacrolein and/or methacrylic acid, and quenching tower
JPS5852239A (ja) * 1981-09-22 1983-03-28 Nippon Kayaku Co Ltd 酸化反応生成ガスの処理法
US4554054A (en) * 1983-12-09 1985-11-19 Rohm And Haas Company Methacrylic acid separation

Also Published As

Publication number Publication date
KR910002223B1 (ko) 1991-04-08
DE3876156D1 (de) 1993-01-07
EP0297788A3 (en) 1989-10-11
EP0297788A2 (fr) 1989-01-04
EP0297788B1 (fr) 1992-11-25
CN1022237C (zh) 1993-09-29
US4987252A (en) 1991-01-22
CN1031523A (zh) 1989-03-08
KR890000392A (ko) 1989-03-14
CA1316545C (fr) 1993-04-20
DE3876156T2 (de) 1993-04-01

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