US3278460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable aliphatic polyglycidyl ether polyamine compositions
Assignee: Union Carbide Corp
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Filing: 1964-01-31
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Granted: 1966-10-11
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Auerbach Victor
- 👤 Arthur K Ingberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:32
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A HARDENABLE COMPOSITION, STABLE FOR AT LEAST TWO DAYS AT A TEMPERATURE OF ABOUT 0*C., CONSISTING ESSENTIALLY OF 1,2,3-TRIS(2,3-EPOXYPROPOXY)PROPANE AND A HYDROXALKYL ALKYLENE POLYAMINE HAVING AT LEAST ONE HYDROXYALKYL GROUP AND AT LEAST THREE AMINO-HYDROGEN ATOMS PER MOLECULE, SAID POLYAMINE BEING PRESENT IN AN AMOUNT SUFFICIENT TO HARDEN THE SAID COMPOSITION, SAID COMPOSITION BEING MAINTAINED AT A TEMPERATURE OF ABOUT 0*C.
Claim 2
Dependent Claim
61 words
A HARDENABLE COMPOSITION, STABLE FOR AT LEAST TWO DAYS AT A TEMPERATURE OF ABOUT 0*C., CONSISTING ESSENTIALLY OF 1,2,3-TRIS(2,3-EPOXYPROPOXY)PROPANE AND A HYDROXALKYL ALKYLENE POLYAMINE HAVING AT LEAST ONE HYDROXYALKYL GROUP AND AT LEAST THREE AMINO-HYDROGEN ATOMS PER MOLECULE, SAID POLYAMINE BEING PRESENT IN AN AMOUNT SUFFICIENT TO HARDEN THE SAID COMPOSITION, SAID COMPOSITION BEING MAINTAINED AT A TEMPERATURE OF ABOUT 0*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |