US3157695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guanidine derivatives
Assignee: Rhone Poulenc SA
•
Filing: 1961-07-24
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Granted: 1964-11-17
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Lafont Pierre
- 👤 Menand Henri Francois Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:07
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/40; A01N47/42; A01N47/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A MEMBER OF THE CLASS CONSISTING OF CYCLODODECYLGUANIDINE AND ACID ADDITION SALT THEREOF WITH NON-PHYTOTOXIC ACIDS.
Claim 2
Dependent Claim
16 words
A MEMBER OF THE CLASS CONSISTING OF CYCLODODECYLGUANIDINE AND ACID ADDITION SALT THEREOF WITH NON-PHYTOTOXIC ACIDS.
References Cited (Backward Citations)
US2213474A
Cited
US2289541A
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US2921881A
Cited
US3004065A
Cited
US2966512A
Cited
US2967125A
Cited
US2972563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |