US3118846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising tetrafluoroethylene polymer and cellulose ester and process for preparing shaped articles therefrom
Assignee: EIDP Inc
•
Filing: 1956-12-24
•
Granted: 1964-01-21
•
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 05:35
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.
References Cited (Backward Citations)
US2413498A
Cited
US2530362A
Cited
US2636873A
Cited
US2628950A
Cited
US2737436A
Cited
US2840447A
Cited
US2772444A
Cited
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 |