Patent US3441522A successfully refreshed from Google Patents.
US3441522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable,tacky polymers of water and a polyepoxide and process for the preparation thereof
Assignee: Union Carbide Corp
•
Filing: 1965-08-16
•
Granted: 1969-04-29
•
Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Soldatos
- 👤 Allison S Burhans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:20
CPC Classifications
D; D01; D01F; D01F11/00; D01F11/10; D01F11/14; C; C08; C08G; C08G59/00; C08G59/14; C08G59/1405; C08G59/1427; C08G59/18; C08G59/20; C08G59/40; C08G59/50; C08G59/5006; C08G59/5033; C08G59/68; C08G59/686
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |