Patent US2969377A successfully refreshed from Google Patents.
US2969377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy esters of epoxy carboxylic acids
Assignee: Union Carbide Corp
•
Filing: 1957-11-13
•
Granted: 1961-01-24
•
Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
- 👤 Donald L Macpeek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:25
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0025; C09B67/0026; C07; C07D; C07D303/00; C07D303/02; C07D303/48; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
7 words
A DEPOXIDE ESTER HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2458484A
Cited
US2493090A
Cited
US2730531A
Cited
US2794029A
Cited
US2826592A
Cited
US2786066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |