US3705919A
Expired / Lapsed
US
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Reactions of organo-metallic compounds of platinum and palladium group viii metals with ethylenically unsaturated compounds
Assignee: Hercules LLC
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Filing: 1971-02-08
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Granted: 1972-12-12
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Expires: 1991-02-08
Abstract
Abstract USEFUL ORGANIC COMPOUNDS ARE PRODUCED BY CONTACTING AN ETHYLENICALLY UNSATURATED ORGANIC COMPOUND WITH AN ORGANOMETALLIC COMPOUND OF A GROUP VIII METAL HAVING AN ATOMIC NUMBER IN THE RANGE OF 44-78 IN THE PRESENCE OR ABSENCE OF A CUPRIC SALT, AND THE ORGANIC COMPOUNDS PRODUCED ARE CONDENSATION PRODUCTS OF TE ORGANO GROUP WITH THE UNSATURATED ORGANIC COMPOUND.
Inventors
- 👤 Richard F Heck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:25
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/10; C07F3/12; C07C; C07C1/00; C07C1/32; C07C1/325; C07C17/00; C07C17/26; C07C17/263; C07C2/00; C07C2/86; C07C2/862; C07C201/00; C07C201/06; C07C201/12; C07C209/00; C07C209/68; C07C255/00; C07C45/00; C07C45/51; C07C45/511; C07C45/512; C07C45/54; C07C45/61; C07C45/67; C07C45/68; C07C51/00; C07C51/09; C07C51/347; C07C51/363; C07C59/00; C07C59/40; C07C59/76; C07C59/90; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/08; C07D333/12; C07D333/24
Claims Analysis
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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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |