US3923883A
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Method for the oxycarbonylation of olefins
Assignee: Roehm GmbH Darmstadt
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Filing: 1974-05-08
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Granted: 1975-12-02
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Expires: 1994-05-08
Abstract
Abstract An improved method for the oxycarbonylation of olefins to form the corresponding Alpha , Beta -unsaturated carboxylic acids utilizing a catalyst system consisting essentially of A) at least one compound of aluminum, silicon, phosphorus, or gallium, or of an alkaline earth metal and B) at least one compound of iron or copper or of an element of side Groups IV B to VII B of the Periodic System having an atomic weight up to 184.
Inventors
- 👤 Wolfgang Gaenzler
- 👤 Klaus Kabs
- 👤 Guenter Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:53
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/04; B01J31/26; B01J31/28; B01J31/30; C; C07; C07C; C07C51/00; C07C51/10; C07C51/145; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/10; B01J2531/16; B01J2531/20; B01J2531/21; B01J2531/22; B01J2531/30; B01J2531/31; B01J2531/32; B01J2531/40; B01J2531/46; B01J2531/50; B01J2531/56; B01J2531/70; B01J2531/72; B01J2531/80; B01J2531/84; B01J2531/842; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/1875; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
93 words
IN THE METHOD FOR PREPARING A,B-UNSATURATED CATBOXYLIC ACIDS BY THE OXIDATIVE CARBONYLATION AN A-OLEFIN WITH OXYGEM AMD CABON MONOXIDE, IN A SUBSTANTIALLY NON-AQUEOUS REACTION MEDIUM IN THE PRESENCE OF A CATALYTIC AMOUNT OF A CATALYST SOLUBLE IN SAID NON-AQUEOUS MEDIUM, THE IMPROVEMENT WHEREIN SAID CATALYST CONSISTS ESSENTIALLY OF A MIXTURE OF: A. AT LEAST ONE COMPOUND OF ALUMINUM, SILICON, PHPSPHORUS, OR GALLIUM, OR AN ALKALINE EARTH METAL, AND B. AT LEAST ONE COMPOUND OF IRON, COPPER, OR A METAL OF GROUPS IV B TO VII B HAVING AN ATOMIC VEIGHT UP TO 184.
Claim 2
Dependent Claim
93 words
IN THE METHOD FOR PREPARING A,B-UNSATURATED CATBOXYLIC ACIDS BY THE OXIDATIVE CARBONYLATION AN A-OLEFIN WITH OXYGEM AMD CABON MONOXIDE, IN A SUBSTANTIALLY NON-AQUEOUS REACTION MEDIUM IN THE PRESENCE OF A CATALYTIC AMOUNT OF A CATALYST SOLUBLE IN SAID NON-AQUEOUS MEDIUM, THE IMPROVEMENT WHEREIN SAID CATALYST CONSISTS ESSENTIALLY OF A MIXTURE OF: A. AT LEAST ONE COMPOUND OF ALUMINUM, SILICON, PHPSPHORUS, OR GALLIUM, OR AN ALKALINE EARTH METAL, AND B. AT LEAST ONE COMPOUND OF IRON, COPPER, OR A METAL OF GROUPS IV B TO VII B HAVING AN ATOMIC VEIGHT UP TO 184.
Claim 3
Dependent Claim
42 words
The method defined in claim 1 wherein said catalyst consists essentially of a mixture of: A. at least one compound of aluminum, silicon, phosphorus, or gallium, or of an alkaline earth metal, and B. at least one compound of iron or copper.
Claim 4
Dependent Claim
35 words
The method defined in claim 1 wherein catalyst component A is selected from the group consisting of aluminum chloride, aluminum acetate, beryllium chloride, and the chlorides, hydroxides, oxides, carbonates and acetates of magnesium and calcium.
Claim 5
Dependent Claim
19 words
The method defined in claim 1 wherein catalyst component A is a compound of aluminum, beryllium, magnesium or calcium.
Claim 6
Dependent Claim
21 words
The method defined in claim 1 wherein catalyst component B is a compound of titanium, vanadium, tantalum, molybdenum, tungsten, or manganese.
Claim 7
Dependent Claim
14 words
The method defined in claim 1 wherein catalyst component A is an aluminum compound.
Claim 8
Dependent Claim
17 words
The method defined in claim 1 wherein catalyst component A is anhydrous aluminum chloride or aluminum acetate.
Claim 9
Dependent Claim
26 words
The method as defined in claim 1 wherein catalyst component B is a compound of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten or manganese.
Claim 10
Dependent Claim
23 words
The method defined in claim 8 wherein catalyst component B is an anhydrous chloride or a complex compound soluble in the reaction medium.
Claim 11
Dependent Claim
20 words
The method defined in claim 8 wherein catalyst component B is an anhydrous chloride of manganese, tungsten, molybdenum or titanium.
Claim 12
Dependent Claim
22 words
The method defined in claim 1 wherein the relative molar proportions of catalyst components A and B are from 1:10 to 10:1.
Claim 13
Dependent Claim
22 words
The method defined in claim 1 wherein the relative molar proportions of catalyst components A and B are from 1:3 to 3:1.
Claim 14
Dependent Claim
22 words
The method defined in claim 1 wherein the olefin is ethylene, propylene, butylene, isobutylene, pentene-1, hexene-1, butadiene, isoprene, styrene or vinyl toluene.
Claim 15
Dependent Claim
11 words
The method defined in claim 1 wherein the olefin is ethylene.
Claim 16
Dependent Claim
11 words
The method defined in claim 1 wherein the olefin is propylene.
Claim 17
Dependent Claim
19 words
The method defined in claim 1 wherein said catalyst is formed between a phosphorus compound and a titanium compound.
Claim 18
Dependent Claim
19 words
The method defined in claim 1 wherein said catalyst is formed between an aluminum compound and a copper compound.
Claim 19
Dependent Claim
19 words
The method defined in claim 1 wherein said catalyst is formed between a silicon compound and an iron compound.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |