Patent US2901461A successfully refreshed from Google Patents.
US2901461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable glycidyl polyether-polyamine compositions
Assignee: Union Carbide Corp
•
Filing: 1955-05-05
•
Granted: 1959-08-25
•
Expires: 1975-05-05
Abstract
No abstract record available.
Inventors
- 👤 Auerbach Victor
- 👤 Arthur K Ingbermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:33
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
HARDENABLE COMPOSITION COMPRISING A POLYGLYCIDYL ETHER OF A POLYHYDRIC PHENOL HAVING AN EPOXY EQUIVALENCY OF MORE THAN ONE AND A HYDROXYALKYL ALKYLENE POLYAMINE HAVING AT LEAST ONE HYDROXYALKYL GROUP AND AT LEAST THREE AMINO HYDROGEN ATOMS PER MOLECULE IN AN AMOUNT REACTIVE WITH SAID POLYGLYCIDYL ETHER TO FORM A HARD, INFUSIBLE, AND INSOLUBLE PRODUCT.
Claim 2
Dependent Claim
54 words
HARDENABLE COMPOSITION COMPRISING A POLYGLYCIDYL ETHER OF A POLYHYDRIC PHENOL HAVING AN EPOXY EQUIVALENCY OF MORE THAN ONE AND A HYDROXYALKYL ALKYLENE POLYAMINE HAVING AT LEAST ONE HYDROXYALKYL GROUP AND AT LEAST THREE AMINO HYDROGEN ATOMS PER MOLECULE IN AN AMOUNT REACTIVE WITH SAID POLYGLYCIDYL ETHER TO FORM A HARD, INFUSIBLE, AND INSOLUBLE PRODUCT.
References Cited (Backward Citations)
US2723241A
Cited
US2742448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |