Patent US3118846A successfully refreshed from Google Patents.
US3118846A
Expired / Lapsed
US
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Composition comprising tetrafluoroethylene polymer and cellulose ester and process for preparing shaped articles therefrom
Assignee: EIDP Inc
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Filing: 1956-12-24
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Granted: 1964-01-21
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Boyer Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:24
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; C08L1/00; C08L1/08; C08L1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A COMPOSITION CAPABLE OF BEING FORMED DIRECTLY INTO A SELF-SUPPORTING SHAPED ARTICLE COMPRISING A NONIONIC EMULSIFIER AND AN AQUEOUS DISPERSION OF A WATERINSOLUBLE POLYHALOGENATED ETHYLENE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYTETRAFLUOROETHYLENE AND POLYTRIFLUOROCHLOROETHYLENE INTIMATELY ADMIXED WITH A WATERSOLUBLE ORGANIC LIQUID CONTAINING DISSOLVED THEREIN A WATER-INSOLUBLE CELLULOSE ESTER, THE RATIO OF POLYHALOGENATED ETHYLENE POLYMER TO CELLULOSE ESTER BEING FROM ABOUT 1:1 TO ABOUT 10:1 RESPECTIVELY.
Claim 2
Dependent Claim
66 words
A COMPOSITION CAPABLE OF BEING FORMED DIRECTLY INTO A SELF-SUPPORTING SHAPED ARTICLE COMPRISING A NONIONIC EMULSIFIER AND AN AQUEOUS DISPERSION OF A WATERINSOLUBLE POLYHALOGENATED ETHYLENE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYTETRAFLUOROETHYLENE AND POLYTRIFLUOROCHLOROETHYLENE INTIMATELY ADMIXED WITH A WATERSOLUBLE ORGANIC LIQUID CONTAINING DISSOLVED THEREIN A WATER-INSOLUBLE CELLULOSE ESTER, THE RATIO OF POLYHALOGENATED ETHYLENE POLYMER TO CELLULOSE ESTER BEING FROM ABOUT 1:1 TO ABOUT 10:1 RESPECTIVELY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |