US3190887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycarbocyclicmethylmercaptoimidazolines
Assignee: Union Carbide Corp
•
Filing: 1961-08-31
•
Granted: 1965-06-22
•
Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 William H Hensley
- 👤 Dewayne C Torgeson
- 👤 Vallah G Lambrech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:16
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-(POLYCARBOCYCLICMETHYLMERCAPTO)IMIDAZOLINE OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-(POLYCARBOCYCLICMETHYLMERCAPTO)IMIDAZOLINE OF THE FORMULA:
References Cited (Backward Citations)
US2680745A
Cited
US2738325A
Cited
US2940927A
Cited
US2888379A
Cited
US2987522A
Cited
US2992230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |