US3019206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyblends of a thermoplastic tetrafluoroethylene polymer latex and an elastomeric fluorocarbon polymer latex and article coated therewith
Assignee: 3M Co
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Filing: 1958-09-24
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Granted: 1962-01-30
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Expires: 1978-09-24
Abstract
No abstract record available.
Inventors
- 👤 Robb Lester Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:59
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C08L27/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A COATING COMPOSITION WHICH COMPRISES AN ADMIXTURE OF AN AQUEOUS LATEX OF A THERMOPLASTIC POLYMER, SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF TETRAFLUOROETHYLENE HOMOPOLYMER AND A COPOLYMER OF TETRAFLUOROETHYLENE AND UP TO ABOUT 5 MOLE PERCENT OF A FLUORINATED OLEFIN COPOLYMERIZABLE THEREWITH, AND AN AQUEOUS LATEX OF AN ELASTOMERIC COPOLYMER OF VINYLIDENE FLUORIDE AND A MEMBER OF THE GROUP CONSISTING OF PERFLUOROPROPENE AND TRIFLUOROCHLOROETHYLENE, THE WEIGHT RATIO OF SAID THERMOPLASTIC POLYMER TO SAID ELASTOMERIC COPOLYMER BEING FROM ABOUT 1:1 TO ABOUT 1:200.
Claim 2
Dependent Claim
83 words
A COATING COMPOSITION WHICH COMPRISES AN ADMIXTURE OF AN AQUEOUS LATEX OF A THERMOPLASTIC POLYMER, SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF TETRAFLUOROETHYLENE HOMOPOLYMER AND A COPOLYMER OF TETRAFLUOROETHYLENE AND UP TO ABOUT 5 MOLE PERCENT OF A FLUORINATED OLEFIN COPOLYMERIZABLE THEREWITH, AND AN AQUEOUS LATEX OF AN ELASTOMERIC COPOLYMER OF VINYLIDENE FLUORIDE AND A MEMBER OF THE GROUP CONSISTING OF PERFLUOROPROPENE AND TRIFLUOROCHLOROETHYLENE, THE WEIGHT RATIO OF SAID THERMOPLASTIC POLYMER TO SAID ELASTOMERIC COPOLYMER BEING FROM ABOUT 1:1 TO ABOUT 1:200.
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |