IN170253B - - Google Patents

Info

Publication number: IN170253B
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.)

1987-06-27

Filing date

1988-06-24

Publication date

1992-03-07

1987-06-27 Priority claimed from JP15882787A external-priority patent/JPH0759532B2/ja

1987-06-27 Priority claimed from JP62158825A external-priority patent/JP2504777B2/ja

1987-08-05 Priority claimed from JP19434587A external-priority patent/JPH0780809B2/ja

1987-08-05 Priority claimed from JP19434687A external-priority patent/JPH0780810B2/ja

1988-06-24 Application filed by Mitsui Toatsu Chemicals, Kuraray Co filed Critical Mitsui Toatsu Chemicals

1990-11-16 Priority to IN971CA1990 priority Critical patent/IN172876B/en

1990-11-16 Priority to IN970CA1990 priority patent/IN172996B/en

1992-03-07 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 (ja)

Priority Applications (2)

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

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP15882787A JPH0759532B2 (ja)	1987-06-27	1987-06-27	メタクリル酸生成ガスの急冷方法
JP62158825A JP2504777B2 (ja)	1987-06-27	1987-06-27	反応ガスの急冷方法
JP19434587A JPH0780809B2 (ja)	1987-08-05	1987-08-05	メタクリル酸水溶液の処理方法
JP19434687A JPH0780810B2 (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 (ja)	1992-03-07

Family

ID=27473573

Family Applications (1)

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

Country Status (7)

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

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 (en) *	2002-06-10	2006-03-01	Uop Llc	Two-stage quench tower for use with oxygenate conversion process
ATE468315T1 (de) *	2004-08-02	2010-06-15	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 (en)	2008-01-30	2012-09-05	Evonik Röhm GmbH	Process for preparation of high purity methacrylic acid
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 (ja) *	2011-09-16	2015-07-03	Evonik Roehm Gmbh
WO2013163806A1 (en)	2012-05-03	2013-11-07	Evonik Industries Ag	Process for preparation of highly pure, non-yellowing methacrylic acid
WO2014146961A1 (en)	2013-03-18	2014-09-25	Evonik Industries Ag	Process for preparation of methacrylic acid and methacrylic acid esters

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 (ja) *	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

1988
- 1988-06-23 CA CA000570305A patent/CA1316545C/en not_active Expired - Fee Related
- 1988-06-24 DE DE8888305764T patent/DE3876156T2/de not_active Expired - Lifetime
- 1988-06-24 EP EP88305764A patent/EP0297788B1/en not_active Expired - Lifetime
- 1988-06-24 IN IN517/CAL/88A patent/IN170253B/en unknown
- 1988-06-27 US US07/211,903 patent/US4987252A/en not_active Expired - Lifetime
- 1988-06-27 CN CN88104812A patent/CN1022237C/zh not_active Expired - Lifetime
- 1988-06-27 KR KR1019880007781A patent/KR910002223B1/ko not_active IP Right Cessation

Also Published As

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

Publication	Publication Date	Title
DE3876858D1 (ja)	1993-02-04
IN165927B (ja)	1990-02-10
GR3007124T3 (ja)	1993-07-30
GR3005914T3 (ja)	1993-06-07
IN168936B (ja)	1991-07-20
IN167963B (ja)	1991-01-12
EP0510732A3 (ja)	1994-04-06
GR3007036T3 (ja)	1993-07-30
IN168935B (ja)	1991-07-20
GR3006715T3 (ja)	1993-06-30
GR3004217T3 (ja)	1993-03-31
GR3004200T3 (ja)	1993-03-31
FR2622993B1 (ja)	1994-12-09
IN170253B (ja)	1992-03-07
GR3006876T3 (ja)	1993-06-30
IN168631B (ja)	1991-05-11
DE3868416D1 (ja)	1992-03-26
GR3005519T3 (ja)	1993-06-07
FR2611600B1 (ja)	1994-04-22
FR2619502B1 (ja)	1997-02-07
GR3005302T3 (ja)	1993-05-24
GR3004246T3 (ja)	1993-03-31
GR3003815T3 (ja)	1993-03-16
IN169592B (ja)	1991-11-16
FR2613474B1 (ja)	1993-02-26