Patent US3702336A successfully refreshed from Google Patents.
US3702336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of ketones with carbonyl-ph3 complexes of chromium,molybdenum,and tungsten
Assignee: EIDP Inc
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Filing: 1970-12-10
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Granted: 1972-11-07
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Expires: 1990-12-10
Abstract
Abstract CHROMIUM, MOLYBDENUM, OR TUNGSTEN CARBONYL PHOSPHINES ARE REACTED WITH KETONES TO GIVE CARBONYL(HYDROXYHYDROCARBYLPHOSPHINE)METAL COMPOUNDS. THE PRODUCTS ARE USEFUL FOR PREPARING ADHERENT METALLIC COATINGS ON A SUBSTRATE BY THERMAL DECOMPOSITION.
Inventors
- 👤 Ulrich Klabunde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:41
CPC Classifications
C; C07; C07F; C07F11/00; C07F11/005; C07F9/00; C23; C23C; C23C16/00; C23C16/06; C23C16/18
Claims Analysis
Total Claims: 0
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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) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |