US3085075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured epoxy resins
Assignee: Lancaster Chemical Corp
•
Filing: 1958-05-14
•
Granted: 1963-04-09
•
Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Lockshin Herbert
- 👤 Carlton H Bascom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:45
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A TRANSPARENT CURED RESIN PREPARED FROM REACTING AN EPOXY RESIN HAVING TERMINAL EPOXY GROUPS WITH AN AMIDO AMINE OF AN UNSATURATED FATTY ACID CONTAINING ABOUT 12 TO 22 CARBON ATOMS AND A TETRAALKYLENE PENTAMINE HAVING FROM 2-4 CARBON ATOMS IN THE ALKYLENE GROUPS.
Claim 2
Dependent Claim
43 words
A TRANSPARENT CURED RESIN PREPARED FROM REACTING AN EPOXY RESIN HAVING TERMINAL EPOXY GROUPS WITH AN AMIDO AMINE OF AN UNSATURATED FATTY ACID CONTAINING ABOUT 12 TO 22 CARBON ATOMS AND A TETRAALKYLENE PENTAMINE HAVING FROM 2-4 CARBON ATOMS IN THE ALKYLENE GROUPS.
References Cited (Backward Citations)
US2615008A
Cited
US2609380A
Cited
US2705223A
Cited
US2760944A
Cited
US2668807A
Cited
US2765325A
Cited
US2765324A
Cited
US2707708A
Cited
US2764603A
Cited
US2881194A
Cited
US2909494A
Cited
US2930773A
Cited
US2899397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |