US3154597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane modified epoxide resins
Assignee: Celanese Coatings Co
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Filing: 1955-09-16
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Granted: 1964-10-27
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Expires: 1975-09-16
Abstract
No abstract record available.
Inventors
- 👤 Wayne F Mcwhorter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
C; C08; C08L; C08L63/00; C09; C09D; C09D183/00; C09D183/10; C08G; C08G77/00; C08G77/42; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525; Y10T428/31529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE PROCESS FOR PRODUCING SILOXANE MODIFIED POLYEPOXIDE RESINS WHICH COMPRISES REACTING BY HEATING A POLYEPOXIDE RESIN WHICH IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYGLYCIDYL ETHERS OF POLYHYDRIC PHENOLS AND POLYGLYCIDYL ETHERS OF POLYHYDRIC ALCOHOLS CONTAINING MORE THAN ONE EPOXIDE GROUP AND AT LEAST ONE HYDROXYL GROUP XXXXX ULE AND BEING FREE FROM FUNCTIONAL GROUPS OTHER XXXXXX OXY GROUPS AND EPOXIDE GROUPS WITH A POLYALKOXY SILOXANE FREE FROM FUNCTIONAL GROUPS OTHER THAN ALKOXY GROUPS.
Claim 2
Dependent Claim
76 words
THE PROCESS FOR PRODUCING SILOXANE MODIFIED POLYEPOXIDE RESINS WHICH COMPRISES REACTING BY HEATING A POLYEPOXIDE RESIN WHICH IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYGLYCIDYL ETHERS OF POLYHYDRIC PHENOLS AND POLYGLYCIDYL ETHERS OF POLYHYDRIC ALCOHOLS CONTAINING MORE THAN ONE EPOXIDE GROUP AND AT LEAST ONE HYDROXYL GROUP XXXXX ULE AND BEING FREE FROM FUNCTIONAL GROUPS OTHER XXXXXX OXY GROUPS AND EPOXIDE GROUPS WITH A POLYALKOXY SILOXANE FREE FROM FUNCTIONAL GROUPS OTHER THAN ALKOXY GROUPS.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |