Patent US377060A successfully refreshed from Google Patents.
US3792018A
Expired / Lapsed
US
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Preparation of clear epoxy resins containing high molecular weight triepoxide flexibilizers
Assignee: Procter and Gamble Co
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Filing: 1972-10-20
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Granted: 1974-02-12
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Expires: 1992-10-20
Abstract
Abstract A PROCESS AND COMPOSITION FOR PRODUCING CLEAR, CURED EPOXY RESINS, SAID RESINS CONTAINING SPECIFIED GLYCIDYL ETHER OF PROPOXYLATED GLYCERINE AS FLEXIBILIZERS, AND BEING CURED AT ROOM TEMPERATURES.
Inventors
- 👤 T Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/182; C08G59/184; C08G59/20; C08G59/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |