US3090793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing of epoxy resins
Assignee: 3M Co
•
Filing: 1958-11-28
•
Granted: 1963-05-21
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 James S Casement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:36
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/26; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A MERCAPTAN-CONTAINING POLYESTER PREPARED BY ESTERIFYING THE HYDROXYL GROUP OF A MERCAPTO-ALCOHOL CONTAINING LESS THAN 11 CARBON ATOMS WITH THE CARBOXYL GROUPS OF A POLYCARBOXYLIC ACID CONTAINING AT LEAST 18 CARBON ATOMS.
Claim 2
Dependent Claim
32 words
A MERCAPTAN-CONTAINING POLYESTER PREPARED BY ESTERIFYING THE HYDROXYL GROUP OF A MERCAPTO-ALCOHOL CONTAINING LESS THAN 11 CARBON ATOMS WITH THE CARBOXYL GROUPS OF A POLYCARBOXYLIC ACID CONTAINING AT LEAST 18 CARBON ATOMS.
References Cited (Backward Citations)
US2373015A
Cited
US2429219A
Cited
US2615008A
Cited
US2668807A
Cited
US2837562A
Cited
US2839571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |