US3281376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxide compositions containing a catalytic amount of a stannic organophosphate
Assignee: Union Carbide Corp
•
Filing: 1961-12-29
•
Granted: 1966-10-25
•
Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 William R Proops
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:50
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A CURABLE COMPOSITION COMPRISING AN EPOXIDE COMPOUND CONTAINING AT LEAST ONE VICINAL EPOXY GROUP AND A CATALYSTIC AMOUNT OF A STANNIC ORGANOPHOSPHATE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
26 words
A CURABLE COMPOSITION COMPRISING AN EPOXIDE COMPOUND CONTAINING AT LEAST ONE VICINAL EPOXY GROUP AND A CATALYSTIC AMOUNT OF A STANNIC ORGANOPHOSPHATE COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2801258A
Cited
US2885415A
Cited
US2916473A
Cited
US2884431A
Cited
US2934521A
Cited
US3117099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |