US3793369A
Expired / Lapsed
US
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Process for production of carboxylic esters
Assignee: Toray Industries Inc
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Filing: 1971-10-22
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Granted: 1974-02-19
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Expires: 1991-10-22
Abstract
Abstract PROCESS FOR THE PRODUCTION OF CARBOXYLIC ESTERS WHICH COMPRISES REACTING AN OLEFINICALLY UNSATURATED HYDROCARBON WITH CARBON MONOXIDE AND ALCOHOL IN THE PRESENCE OF PALLADIUM CHLORIDE OR A PALLADIUM CHLORIDE COMPLEX OF AN AROMATIC TERTIARY PHOSPHINE IN AN AMOUNT OF 4-20 MOLES PER MOLE PALLADIUM.
Inventors
- 👤 M Hara
- 👤 K Ohno
- 👤 S Wakamatsu
- 👤 R Nakanishi
- 👤 J Tsuji
- 👤 T Kajimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:24
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/24; B01J31/2404; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/824
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |