US3340222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrofluorocarbon polymer filmforming composition
Assignee: EIDP Inc
•
Filing: 1963-06-28
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Granted: 1967-09-05
•
Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 James C Fang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:17
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/062; C08L33/064; C08L33/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A LIQUID COATING COMPOSITION COMPRISED OF A DISPERSION IN A VOLATILE ORGANIC LIQUID OF (A) A POLYMER SELECTED FROM THE CLASS CONSISTING OF POLYVINYL FLUORIDE, POLYVINYLIDENE FLUORIDE, COPOLYMERS OF VINYL FLUORIDE AND VINYLIDENE FLUORIDE, COPOLYMERS OF VINYL FLUORIDE WITH OTHER HALOGEN-SUBSTITUTED ETHYLENICALLY UNSATURATED MONOMERS, AND COPOLYMERS OF VINYLIDENE FLUORIDE WITH OTHER HALOGENSUBSTITUTED ETHYLENICALLY UNSATURATED MONOMERS; (B) AN INORGANIC PIGMENT COMPOSED PREDOMINATELY OF TITANIUM DIOXIDE, THE PIGMENT VOLUME CONCENTRATION, BASED ON THE TOTAL VOLUME OF NON-VOLATILE COMPONENTS, BEING ABOUT 5 TO 40%, AND (C) ADSORBED ON THE PIGMENT, A POLYMER A MAJOR PROPORTION OF WHICH CONSISTS OF A MEMBER OF THE CLASS CONSISTING OF ALKYL ACRYLATE POLYMERS, ALKYL METHACRYLATE POLYMERS AND COPOLYMERS OF AN ALKYL ACRYLATE AND ALKYL METHACRYLATE, THE WEIGHT RATIO OF SAID POLYMER TO THE POLYMER IN (A) BEING ABOUT 50:50 TO 0.1:99.9.
Claim 2
Dependent Claim
134 words
A LIQUID COATING COMPOSITION COMPRISED OF A DISPERSION IN A VOLATILE ORGANIC LIQUID OF (A) A POLYMER SELECTED FROM THE CLASS CONSISTING OF POLYVINYL FLUORIDE, POLYVINYLIDENE FLUORIDE, COPOLYMERS OF VINYL FLUORIDE AND VINYLIDENE FLUORIDE, COPOLYMERS OF VINYL FLUORIDE WITH OTHER HALOGEN-SUBSTITUTED ETHYLENICALLY UNSATURATED MONOMERS, AND COPOLYMERS OF VINYLIDENE FLUORIDE WITH OTHER HALOGENSUBSTITUTED ETHYLENICALLY UNSATURATED MONOMERS; (B) AN INORGANIC PIGMENT COMPOSED PREDOMINATELY OF TITANIUM DIOXIDE, THE PIGMENT VOLUME CONCENTRATION, BASED ON THE TOTAL VOLUME OF NON-VOLATILE COMPONENTS, BEING ABOUT 5 TO 40%, AND (C) ADSORBED ON THE PIGMENT, A POLYMER A MAJOR PROPORTION OF WHICH CONSISTS OF A MEMBER OF THE CLASS CONSISTING OF ALKYL ACRYLATE POLYMERS, ALKYL METHACRYLATE POLYMERS AND COPOLYMERS OF AN ALKYL ACRYLATE AND ALKYL METHACRYLATE, THE WEIGHT RATIO OF SAID POLYMER TO THE POLYMER IN (A) BEING ABOUT 50:50 TO 0.1:99.9.
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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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |