US3950400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the oxacylation of olefins in the gaseous phase
Assignee: Hoechst AG
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Filing: 1971-11-18
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Granted: 1976-04-13
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Expires: 1991-11-18
Abstract
Abstract Improvement of a process for the oxacylation of olefins in the gaseous phase in the presence of carrier catalysts containing palladium salts and additives by adding a barium carboxylic acid aurate the carboxylic acid part of which contains from 2 to 10 carbon atoms.
Inventors
- 👤 Hans Fernholz
- 👤 Friedrich Wunder
- 👤 Hans-Joachim Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:05
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/02; B01J37/0201; B01J37/0203; B01J23/00; B01J23/38; B01J23/48; B01J23/52; B01J23/54; B01J23/56; B01J23/58; B01J23/66; B01J23/68; B01J23/681; C; C07; C07C; C07C67/00; C07C67/04; C07C67/05; C07C67/055; B01J23/64; B01J23/644; B01J23/6447; B01J37/0236; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
86 words
In the process for oxacylation of ethylene, propylene or isobutylene in the gaseous phase in the presence of oxygen and a carrier catalyst consisting essentially of palladium salts or palladium salts and as additives therefor alkali and alkaline earth metal salts, gold, gold salts, cadmium, cadmium salts, bismuth, bismuth salts, the improvement consisting essentially of adding a barium carboxylic acid aurate of a carboxylic acid having from 2 to 10 carbon atoms to said carrier catalyst and oxacylating said ethylene, propylene or isobutylene with said catalyst.
Claim 2
Dependent Claim
86 words
In the process for oxacylation of ethylene, propylene or isobutylene in the gaseous phase in the presence of oxygen and a carrier catalyst consisting essentially of palladium salts or palladium salts and as additives therefor alkali and alkaline earth metal salts, gold, gold salts, cadmium, cadmium salts, bismuth, bismuth salts, the improvement consisting essentially of adding a barium carboxylic acid aurate of a carboxylic acid having from 2 to 10 carbon atoms to said carrier catalyst and oxacylating said ethylene, propylene or isobutylene with said catalyst.
Claim 3
Dependent Claim
17 words
The process as claimed in claim 1, wherein as barium carboxylic acid aurate barium aceto-aurate is used.
Claim 4
Dependent Claim
17 words
The process as claimed in claim 1, wherein as barium carboxylic acid aurate barium propiono-aurate is used.
Claim 5
Dependent Claim
17 words
The process as claimed in claim 1, wherein as barium carboxylic acid aurate barium butyro-aurate is used.
Claim 6
Dependent Claim
32 words
The process as claimed in claim 1, wherein the amounts of barium carboxylic acid aurates added are from 0.1 to 20% by weight of the system composed of carrier and active components.
Claim 7
Dependent Claim
32 words
The process as claimed in claim 1, wherein the amounts of barium carboxylic acid aurates added are from 0.2 to 5% by weight of the system composed of carrier and active components.
References Cited (Backward Citations)
DE1901289A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |