US3158620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazole compounds and process therefor
Assignee: Wyeth Holdings LLC
•
Filing: 1962-06-12
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Granted: 1964-11-24
•
Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Klingsberg Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:38
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D417/00; C07D417/02; C07D417/04; C09; C09B; C09B39/00; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
16 words
A PROCESS OF PREPARING A PYRAZOLE COMPOUND WHICH COMPRISES RECTING A 1,2-DITHIOLIUM SALT OF THE FORMULA:
Claim 2
Dependent Claim
16 words
A PROCESS OF PREPARING A PYRAZOLE COMPOUND WHICH COMPRISES RECTING A 1,2-DITHIOLIUM SALT OF THE FORMULA:
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |