Patent US3201357A successfully refreshed from Google Patents.
US3201357A
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Vinylation reactions and mercuric salt cation exchange catalysts therefor
Assignee: Rohm and Haas Co
•
Filing: 1962-04-25
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Granted: 1965-08-17
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Expires: 1982-04-25
Abstract
No abstract record available.
Inventors
- 👤 Fabian T Fang
- 👤 Irwin S Fiarman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:18
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/44; B; B01; B01J; B01J31/00; B01J31/02; B01J31/0215; B01J31/0225; B01J31/06; B01J31/08; B01J31/10; C07; C07C; C07C67/00; C07C67/10; C08F8/42; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A MERCURIC VINYLATION CATALYST OF THE FORMULA
Claim 2
Dependent Claim
7 words
A MERCURIC VINYLATION CATALYST OF THE FORMULA
References Cited (Backward Citations)
US2329644A
Cited
US2339126A
Cited
US2398820A
Cited
US2853520A
Cited
US3037052A
Cited
US3135784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |