US3310539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tmidazolidine-2-thione derivatives
Assignee: Rhone Poulenc SA
•
Filing: 1964-10-29
•
Granted: 1967-03-21
•
Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Convert Lucien
- 👤 Fabre Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39; C08K5/405; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A VULCANIZABLE MIX COMPRISING A CHLOROPRENE POLYMER AND, AS VULCANIZATION ACCELERATOR, AT LEAST ONE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
18 words
A VULCANIZABLE MIX COMPRISING A CHLOROPRENE POLYMER AND, AS VULCANIZATION ACCELERATOR, AT LEAST ONE 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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |