GB1250265A - - Google Patents
Info
- Publication number
- GB1250265A GB1250265A GB1250265DA GB1250265A GB 1250265 A GB1250265 A GB 1250265A GB 1250265D A GB1250265D A GB 1250265DA GB 1250265 A GB1250265 A GB 1250265A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali metal
- catalyst
- metal carboxylates
- nov
- carbon atoms
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
- C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
- C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
Abstract
1,250,265. Process for the manufacture of unsaturated esters of carboxylic acids. KNAPSACK A.G. 7 Nov., 1969 [13 Nov., 1968], No. 54658/69. Heading C2C. A process for the manufacture of unsaturated esters of carboxylic acids by reacting an olefinic compound having from 2 to 20 carbon atoms and an aliphatic or aromatic carboxylic acid having from 2 to 20 carbon atoms with molecular oxygen or air in the gas phase, if desired in the presence of one or more inert gases, at temperatures between 100‹ and 250‹ C., preferably between 150‹ and 220‹ C., under pressures between 1 and 21 atmospheres absolute, preferably between 5 and 11 atmospheres absolute, in contact with a catalyst consisting of metallic palladium, a carrier and optionally a further activator metal, comprises supplying the alkali metalfree catalyst, in a first step and during operation, with one or more alkali metal carboxylates or compounds yielding alkali metal carboxylates under the reaction conditions, the said alkali metal carboxylates or compounds being supplied in the quantity necessary to effect catalyst activation, and, following establishment of an optimum catalyst activity, supplying the alkali metal carboxylate-saturated catalyst, in a second step, with a further quantity of alkali metal compound, the said further quantity of alkali metal compound being normally just sufficient to replace the loss of alkali metal carboxylates occasioned by evaporation from the hot catalyst. Using this process vinyl acetate, vinyl propionate, vinyl isobutyrate and allyl acetate are prepared in the Examples.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681808610 DE1808610C3 (en) | 1968-11-13 | 1968-11-13 | Process for the preparation of unsaturated esters of carboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1250265A true GB1250265A (en) | 1971-10-20 |
Family
ID=5713188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1250265D Expired GB1250265A (en) | 1968-11-13 | 1969-11-07 |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS5120485B1 (en) |
| AT (1) | AT289742B (en) |
| BE (1) | BE741636A (en) |
| BG (1) | BG24794A3 (en) |
| BR (1) | BR6913955D0 (en) |
| CH (1) | CH517692A (en) |
| CS (1) | CS164835B2 (en) |
| DE (1) | DE1808610C3 (en) |
| ES (1) | ES373419A1 (en) |
| FR (1) | FR2024859A1 (en) |
| GB (1) | GB1250265A (en) |
| HU (1) | HU171286B (en) |
| LU (1) | LU59802A1 (en) |
| NL (1) | NL6916848A (en) |
| NO (1) | NO132864C (en) |
| RO (1) | RO59690A (en) |
| SE (1) | SE371433B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003061829A1 (en) * | 2002-01-22 | 2003-07-31 | Bp Chemicals Limited | Process for the preparation of a microspheroidal catalyst |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5155791U (en) * | 1974-10-24 | 1976-04-30 | ||
| JPS51131399U (en) * | 1975-04-11 | 1976-10-22 | ||
| JPS51131397U (en) * | 1975-04-11 | 1976-10-22 | ||
| JPS51131398U (en) * | 1975-04-11 | 1976-10-22 | ||
| JPS51132100U (en) * | 1975-04-14 | 1976-10-23 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3190912A (en) * | 1962-05-02 | 1965-06-22 | Nat Distillers Chem Corp | Process for preparing esters |
| IT725140A (en) * | 1963-06-04 |
-
1968
- 1968-11-13 DE DE19681808610 patent/DE1808610C3/en not_active Expired
-
1969
- 1969-10-30 CH CH1621069A patent/CH517692A/en not_active IP Right Cessation
- 1969-11-06 BR BR21395569A patent/BR6913955D0/en unknown
- 1969-11-07 GB GB1250265D patent/GB1250265A/en not_active Expired
- 1969-11-07 NL NL6916848A patent/NL6916848A/xx unknown
- 1969-11-10 CS CS739569A patent/CS164835B2/cs unknown
- 1969-11-11 ES ES373419A patent/ES373419A1/en not_active Expired
- 1969-11-11 BG BG6900013329A patent/BG24794A3/en unknown
- 1969-11-11 LU LU59802D patent/LU59802A1/xx unknown
- 1969-11-12 AT AT1060969A patent/AT289742B/en not_active IP Right Cessation
- 1969-11-12 RO RO6155169A patent/RO59690A/ro unknown
- 1969-11-12 HU HU69KA00001223A patent/HU171286B/en unknown
- 1969-11-12 NO NO448669A patent/NO132864C/no unknown
- 1969-11-12 SE SE1552369A patent/SE371433B/xx unknown
- 1969-11-13 FR FR6938989A patent/FR2024859A1/fr not_active Withdrawn
- 1969-11-13 JP JP9106269A patent/JPS5120485B1/ja active Pending
- 1969-11-13 BE BE741636D patent/BE741636A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003061829A1 (en) * | 2002-01-22 | 2003-07-31 | Bp Chemicals Limited | Process for the preparation of a microspheroidal catalyst |
| US7166557B2 (en) | 2002-01-22 | 2007-01-23 | Bp Chemicals Limited | Process for the preparation of a microspheroidal catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| RO59690A (en) | 1976-06-15 |
| HU171286B (en) | 1977-12-28 |
| FR2024859A1 (en) | 1970-09-04 |
| BR6913955D0 (en) | 1973-03-15 |
| BE741636A (en) | 1970-05-13 |
| SE371433B (en) | 1974-11-18 |
| CH517692A (en) | 1972-01-15 |
| DE1808610B2 (en) | 1974-08-22 |
| BG24794A3 (en) | 1978-05-12 |
| LU59802A1 (en) | 1970-05-13 |
| CS164835B2 (en) | 1975-11-28 |
| NL6916848A (en) | 1970-05-15 |
| NO132864B (en) | 1975-10-13 |
| DE1808610A1 (en) | 1970-06-11 |
| DE1808610C3 (en) | 1975-04-10 |
| ES373419A1 (en) | 1971-12-16 |
| JPS5120485B1 (en) | 1976-06-25 |
| NO132864C (en) | 1976-01-28 |
| AT289742B (en) | 1971-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |