US3305527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxide resin compositions
Assignee: Celanese Coatings Co
•
Filing: 1964-12-09
•
Granted: 1967-02-21
•
Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08J2363/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COMPOSITION COMPRISING A POLYEPOXIDE RESIN HAVING A 1,2 EPOXY EQUIVALENCY GREATER THAN 1 AND FROM 1 TO 80 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYEPOXIDE OF AN ALKYLENE 1,2 CARBONATE HAVING 2 TO 10 CARBON ATOMS IN ITS ALKYLENE GROUP.
Claim 2
Dependent Claim
45 words
A COMPOSITION COMPRISING A POLYEPOXIDE RESIN HAVING A 1,2 EPOXY EQUIVALENCY GREATER THAN 1 AND FROM 1 TO 80 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYEPOXIDE OF AN ALKYLENE 1,2 CARBONATE HAVING 2 TO 10 CARBON ATOMS IN ITS ALKYLENE GROUP.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |