US2865888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine-epoxide compositions
Assignee: Celanese Coatings Co
•
Filing: 1957-08-22
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Granted: 1958-12-23
•
Expires: 1977-08-22
Abstract
No abstract record available.
Inventors
- 👤 Greenlee Sylvan Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:39
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A COMPOSITION OF MATTER WHICH IS CAPABLE OF HARDENING WHICH COMPRISES AN UNREACTED MIXTURE OF NORMALLY SOLID RESINOUS GLYCIDYL POLYETHERS OF A POLYHYDRIC PHENOL AND HEXAMETHYLENE DIAMINE.
Claim 2
Dependent Claim
27 words
A COMPOSITION OF MATTER WHICH IS CAPABLE OF HARDENING WHICH COMPRISES AN UNREACTED MIXTURE OF NORMALLY SOLID RESINOUS GLYCIDYL POLYETHERS OF A POLYHYDRIC PHENOL AND HEXAMETHYLENE DIAMINE.
References Cited (Backward Citations)
US2444333A
Cited
US2786794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |