DE68902024D1 - Verfahren zur herstellung von methylmethacrylat aus isobuttersaeure. - Google Patents
Verfahren zur herstellung von methylmethacrylat aus isobuttersaeure.Info
- Publication number
- DE68902024D1 DE68902024D1 DE8989402286T DE68902024T DE68902024D1 DE 68902024 D1 DE68902024 D1 DE 68902024D1 DE 8989402286 T DE8989402286 T DE 8989402286T DE 68902024 T DE68902024 T DE 68902024T DE 68902024 D1 DE68902024 D1 DE 68902024D1
- Authority
- DE
- Germany
- Prior art keywords
- methyl methacrylate
- producing methyl
- isobutteric
- acid
- isobutteric acid
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
-
- 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Fats And Perfumes (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8810911A FR2635521B1 (fr) | 1988-08-16 | 1988-08-16 | Procede perfectionne pour la fabrication de methacrylate de methyle a partir d'acide isobutyrique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68902024D1 true DE68902024D1 (de) | 1992-08-13 |
DE68902024T2 DE68902024T2 (de) | 1993-07-29 |
Family
ID=9369335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989402286T Expired - Fee Related DE68902024T2 (de) | 1988-08-16 | 1989-08-11 | Verfahren zur herstellung von methylmethacrylat aus isobuttersaeure. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4978776A (de) |
EP (1) | EP0356315B1 (de) |
JP (1) | JP2739658B2 (de) |
KR (1) | KR950006530B1 (de) |
AT (1) | ATE78022T1 (de) |
CA (1) | CA1312618C (de) |
DE (1) | DE68902024T2 (de) |
ES (1) | ES2034701T3 (de) |
FR (1) | FR2635521B1 (de) |
GR (1) | GR3005910T3 (de) |
NO (1) | NO168578C (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2009012867A (es) * | 2007-06-01 | 2010-02-15 | Evonik Roehm Gmbh | Proceso para preparar ácido metacrílico o ésteres metacrílicos. |
TW201627267A (zh) * | 2014-10-31 | 2016-08-01 | 陶氏全球科技公司 | 用於從氧化性酯化反應中原位水移除的方法使用經耦合的反應器-蒸餾系統 |
EP4386056A1 (de) * | 2022-12-16 | 2024-06-19 | Organik Kimya Sanayi Ve Tic. A.S. | Wässrige polymerzusammensetzung und herstellungsverfahren dafür |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541486A (en) * | 1948-09-17 | 1951-02-13 | Eastman Kodak Co | Acid concentration |
FR1393173A (fr) * | 1963-05-16 | 1965-03-19 | Distillers Co Yeast Ltd | Procédé de production d'acrylate d'éthyle |
GB995471A (en) * | 1963-05-16 | 1965-06-16 | Distilers Company Ltd | Improvements in or relating to the production of ethyl acrylate |
US3879446A (en) * | 1969-06-05 | 1975-04-22 | Eastman Kodak Co | Preparation of unsaturated organic compounds by oxidative dehydrogenation |
FR2224429A1 (en) * | 1973-04-03 | 1974-10-31 | Mitsubishi Rayon Co | Recovering methacrylic acid and methanol - by contacting crude products with water, used in methylmethacrylate mfr |
US3809645A (en) * | 1973-04-03 | 1974-05-07 | Mitsubishi Rayon Co | Recovering methacrylic acid and methanol |
US4298755A (en) * | 1980-02-25 | 1981-11-03 | Ashland Oil, Inc. | Catalytic oxydehydrogenation process |
DE3508649A1 (de) * | 1985-03-12 | 1986-09-18 | Röhm GmbH, 6100 Darmstadt | Heteropolysaeure h(pfeil abwaerts)8(pfeil abwaerts)pmo(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)vo(pfeil abwaerts)3(pfeil abwaerts)(pfeil abwaerts)9(pfeil abwaerts), deren anhydrid pmo(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)vo(pfeil abwaerts)3(pfeil abwaerts)(pfeil abwaerts)5(pfeil abwaerts)und ihre verwendung |
-
1988
- 1988-08-16 FR FR8810911A patent/FR2635521B1/fr not_active Expired - Fee Related
-
1989
- 1989-08-11 AT AT89402286T patent/ATE78022T1/de not_active IP Right Cessation
- 1989-08-11 EP EP89402286A patent/EP0356315B1/de not_active Expired - Lifetime
- 1989-08-11 DE DE8989402286T patent/DE68902024T2/de not_active Expired - Fee Related
- 1989-08-11 ES ES198989402286T patent/ES2034701T3/es not_active Expired - Lifetime
- 1989-08-15 CA CA000608372A patent/CA1312618C/fr not_active Expired - Fee Related
- 1989-08-15 NO NO893269A patent/NO168578C/no unknown
- 1989-08-16 KR KR1019890011663A patent/KR950006530B1/ko not_active IP Right Cessation
- 1989-08-16 JP JP1211233A patent/JP2739658B2/ja not_active Expired - Lifetime
-
1990
- 1990-05-15 US US07/524,669 patent/US4978776A/en not_active Expired - Fee Related
-
1992
- 1992-10-08 GR GR920402229T patent/GR3005910T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
NO893269L (no) | 1990-02-19 |
ES2034701T3 (es) | 1993-04-01 |
US4978776A (en) | 1990-12-18 |
JP2739658B2 (ja) | 1998-04-15 |
NO893269D0 (no) | 1989-08-15 |
FR2635521B1 (fr) | 1991-02-22 |
KR950006530B1 (ko) | 1995-06-16 |
KR900003104A (ko) | 1990-03-23 |
JPH0283354A (ja) | 1990-03-23 |
EP0356315A1 (de) | 1990-02-28 |
NO168578B (no) | 1991-12-02 |
CA1312618C (fr) | 1993-01-12 |
NO168578C (no) | 1992-03-11 |
EP0356315B1 (de) | 1992-07-08 |
DE68902024T2 (de) | 1993-07-29 |
GR3005910T3 (de) | 1993-06-07 |
ATE78022T1 (de) | 1992-07-15 |
FR2635521A1 (fr) | 1990-02-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3763072D1 (de) | Katalytisches verfahren zur herstellung von oximen. | |
DE3866558D1 (de) | Verfahren zur herstellung von 1,1,1-trifluor-2,2-dichloraethan durch hydrofluorierung in gegenwart von katalysatoren. | |
DE3866617D1 (de) | Verfahren zur herstellung von 2,3-pyridindicarbonsaeure-verbindungen. | |
DE68909528D1 (de) | Verfahren zur herstellung von methacrylsaeure. | |
DE3583043D1 (de) | Verfahren zur reinigung von podophyllotoxin. | |
DE3676937D1 (de) | Verfahren zur herstellung von hydrofluoralkanen. | |
DE3776485D1 (de) | Verfahren zur herstellung von methacrylsaeure. | |
DE68902024D1 (de) | Verfahren zur herstellung von methylmethacrylat aus isobuttersaeure. | |
DE3764977D1 (de) | Verfahren zur herstellung von katalysatoren aus zusammengesetzten oxiden. | |
DE3775708D1 (de) | Verfahren zur herstellung von 4-pentensaeureestern. | |
DE3676847D1 (de) | Verfahren zur herstellung von maleinsaeureanhydrid. | |
DE69020119D1 (de) | Verfahren zur Herstellung von hochreiner Naphthalin-2,6-Dicarbonsäure. | |
DE68910024D1 (de) | Verfahren zur Herstellung von Methacrylsäure. | |
DE69218803D1 (de) | Verfahren zur Herstellung von Methacrylsäure durch katalytische Oxydierung von Isobutan | |
DE68904137D1 (de) | Verfahren zur herstellung von 1,1,-dichlor-1-fluoroethan. | |
DE3872480D1 (de) | Katalytisches verfahren zur herstellung von c-2- bis c-4-alkylaminen. | |
DE3784034D1 (de) | Rim-verfahren zur herstellung von thermohaertenden, faserverstaerkten verbundwerkstoffen. | |
DE3779455D1 (de) | Verfahren zur herstellung von l(-)-carnitinchlorid, ausgehend von 3,4-epoxybuttersaeureestern. | |
ATE82246T1 (de) | Verfahren zur herstellung von aromatischen aldehyden. | |
DE58901557D1 (de) | Verfahren zur herstellung von 1,2-disulfon-verbindungen. | |
DE3766371D1 (de) | Verfahren zur herstellung von hydroxylamin-o-sulfonsaeure. | |
DE68922361D1 (de) | Verfahren zur Herstellung von 2,6-Naphthalendicarbonsäure. | |
DE3864722D1 (de) | Verfahren zur herstellung von 2,6-naphthalindicarbonsaeure. | |
DE3685122D1 (de) | Verfahren zur herstellung von 1,4-diaminoanthrachinon-2-sulfonsaeure. | |
DE3761378D1 (de) | Verfahren zur herstellung von levomepromazin-maleatsaeure. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication related to discontinuation of the patent is to be deleted | ||
8339 | Ceased/non-payment of the annual fee |