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Patent US3133943A successfully refreshed from Google Patents.
US3133943A
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Complex group viii metal hydrides
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1960-02-15
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Granted: 1964-05-19
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Chatt Joseph
- 👤 Hayter Roy Graham
- 👤 Hart Frank Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:07
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/02; C07F15/025; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1895; B01J31/24; B01J31/2404; B01J31/2409; C07F15/0006; C07F15/0013; C07F9/00; C07F9/66; C07F9/70; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/821; B01J2531/825; B01J2531/84; B01J2531/842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
NEW COMPLEX COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
6 words
NEW COMPLEX COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2946821A
Cited
US2922819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |