US3335112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin systems and latent catalysts therefor
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1963-07-03
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Granted: 1967-08-08
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Henry C Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A COMPOSITION COMPRISING A CURABLE EPOXY RESIN AND AS A CATALYTIC CURING AGENT FOR SAID EPOXY RESIN A MINOR AMOUNT OF A TERTIARY AMINE ADSORBED ON AN ACIDIC SYNTHETIC ORGANIC ION EXCHANGE RESIN, SAID COMPOSITION BEING CAPABLE OF BEING CURED WHEN HEATED TO A TEMPERATURE OF ABOUT 125*C. AND SAID CURABLE EPOXY RESIN BEING A POLYEPOXY POLYETHER DERIVED FROM A DIFUNCTIONAL PHENOLIC COMPOUND AND EPICHLOROHYDRIN.
Claim 2
Dependent Claim
65 words
A COMPOSITION COMPRISING A CURABLE EPOXY RESIN AND AS A CATALYTIC CURING AGENT FOR SAID EPOXY RESIN A MINOR AMOUNT OF A TERTIARY AMINE ADSORBED ON AN ACIDIC SYNTHETIC ORGANIC ION EXCHANGE RESIN, SAID COMPOSITION BEING CAPABLE OF BEING CURED WHEN HEATED TO A TEMPERATURE OF ABOUT 125*C. AND SAID CURABLE EPOXY RESIN BEING A POLYEPOXY POLYETHER DERIVED FROM A DIFUNCTIONAL PHENOLIC COMPOUND AND EPICHLOROHYDRIN.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |