Patent US3014893A successfully refreshed from Google Patents.
US3014893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured epoxy resin material
Assignee: Narmco Ind Inc
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Filing: 1959-02-19
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Granted: 1961-12-26
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Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Susman
- 👤 Edward C Janis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE PROCESS OF PRODUCING A CURED EPOXY RESIN WHICH COMPRISES HEATING AN EPOXY RESIN HAVING A 1,2 EPOXY EQUIVALENCY GREATER THAN 1.0, PRODUCED BY THE REACTION OF A POLYHYDRIC PHENOL WITH A 1,2-EPOXY-3-HALOHYDRIN, IN THE PRESENCE OF A CURING AGENT, SAID CURING AGENT CONSISTING ESSENTIALLY OF AN AMPHOTERIC OXIDE SELECTED FROM THE GROUP CONSISTING OF THE OXIDES OF ANTIMONY, ARSENIC,
Claim 2
Dependent Claim
60 words
THE PROCESS OF PRODUCING A CURED EPOXY RESIN WHICH COMPRISES HEATING AN EPOXY RESIN HAVING A 1,2 EPOXY EQUIVALENCY GREATER THAN 1.0, PRODUCED BY THE REACTION OF A POLYHYDRIC PHENOL WITH A 1,2-EPOXY-3-HALOHYDRIN, IN THE PRESENCE OF A CURING AGENT, SAID CURING AGENT CONSISTING ESSENTIALLY OF AN AMPHOTERIC OXIDE SELECTED FROM THE GROUP CONSISTING OF THE OXIDES OF ANTIMONY, ARSENIC,
References Cited (Backward Citations)
US2528934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |