DK150379A - METHOD OF PREPARING CARBOXYLIC ACID ANHYDRIDES - Google Patents
METHOD OF PREPARING CARBOXYLIC ACID ANHYDRIDESInfo
- Publication number
- DK150379A DK150379A DK150379A DK150379A DK150379A DK 150379 A DK150379 A DK 150379A DK 150379 A DK150379 A DK 150379A DK 150379 A DK150379 A DK 150379A DK 150379 A DK150379 A DK 150379A
- Authority
- DK
- Denmark
- Prior art keywords
- carboxylic acid
- acid anhydrides
- preparing carboxylic
- preparing
- anhydrides
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782815541 DE2815541A1 (en) | 1978-04-11 | 1978-04-11 | PROCESS FOR THE PRODUCTION OF CARBONIC ANHYDRIDES |
Publications (1)
Publication Number | Publication Date |
---|---|
DK150379A true DK150379A (en) | 1979-10-12 |
Family
ID=6036671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK150379A DK150379A (en) | 1978-04-11 | 1979-04-10 | METHOD OF PREPARING CARBOXYLIC ACID ANHYDRIDES |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0004641A3 (en) |
JP (1) | JPS54135706A (en) |
BR (1) | BR7902223A (en) |
DE (1) | DE2815541A1 (en) |
DK (1) | DK150379A (en) |
IL (1) | IL57031A0 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5935375B2 (en) * | 1979-04-27 | 1984-08-28 | ダイセル化学工業株式会社 | Production method of monochlorocarboxylic acid chloride |
DE3510035A1 (en) * | 1985-03-20 | 1986-09-25 | Basf Ag, 6700 Ludwigshafen | METHOD FOR THE CONTINUOUS PRODUCTION OF CARBONIC ACID ANHYDRIDES |
FR2592040B1 (en) * | 1985-12-24 | 1988-07-15 | Charbonnages Ste Chimique | PROCESS FOR THE SYNTHESIS OF (METH) ACRYLIC ANHYDRIDES |
JP4553077B2 (en) * | 1999-02-10 | 2010-09-29 | 三菱瓦斯化学株式会社 | Process for producing carboxylic anhydride and aldehydes |
FR2826961B1 (en) * | 2001-07-06 | 2005-09-30 | Atofina | PROCESS FOR THE PREPARATION OF (METH) ACRYLIC ANHYDRIDE |
DE10249928A1 (en) * | 2002-10-26 | 2004-05-06 | Basf Ag | Flexible process for the joint production of (i) formic acid, (ii) a carboxylic acid with at least two carbon atoms and / or its derivatives and (iii) a carboxylic acid anhydride |
FR2853900B1 (en) * | 2003-04-16 | 2006-07-07 | Atofina | PROCESS FOR THE PRODUCTION OF ISOBUTYRIC ANHYDRIDE |
DE102006029320B3 (en) * | 2006-06-23 | 2007-10-11 | Röhm Gmbh | Continuous preparation of unsaturated carboxylic acid anhydride comprises anhydrating aliphatic carboxylic acid anhydride with carboxylic acid in rectification column, recycling the non-reacted educt in reaction medium and collecting |
EP2308820B1 (en) | 2008-08-05 | 2016-12-28 | Mitsubishi Rayon Co., Ltd. | Method for producing (meth)acrylic acid anhydride, method for storing (meth)acrylic acid anhydride, and method for producing (meth)acrylate ester |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR784458A (en) * | 1933-11-17 | 1935-07-22 | Degussa | Process for preparing anhydrides |
US2075035A (en) * | 1935-02-01 | 1937-03-30 | Du Pont | Process for preparing carboxylic anhydrides |
-
1978
- 1978-04-11 DE DE19782815541 patent/DE2815541A1/en not_active Withdrawn
-
1979
- 1979-03-29 EP EP79100942A patent/EP0004641A3/en not_active Withdrawn
- 1979-04-09 IL IL57031A patent/IL57031A0/en unknown
- 1979-04-09 JP JP4211679A patent/JPS54135706A/en active Pending
- 1979-04-10 BR BR7902223A patent/BR7902223A/en unknown
- 1979-04-10 DK DK150379A patent/DK150379A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS54135706A (en) | 1979-10-22 |
IL57031A0 (en) | 1979-07-25 |
EP0004641A3 (en) | 1979-10-31 |
EP0004641A2 (en) | 1979-10-17 |
DE2815541A1 (en) | 1979-10-18 |
BR7902223A (en) | 1979-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |