Patent US3679618A successfully refreshed from Google Patents.
US3679618A
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US
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Electrodeposition of fluorocarbon polymers
Assignee: EIDP Inc
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Filing: 1969-10-07
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Granted: 1972-07-25
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Expires: 1989-10-07
Abstract
Abstract THE APPLICATION OF FLUORACARBON POLYMERS COATINGS ON METAL ARTICLES BY ELECTRODEPOSITION IS THE SUBJECT OF THIS INVENTION; AQUEOUS DISPERSIONS CONTAINING CARBOXYLIC ACID POLYMER HAVING AN ACID NUMBER OF ABOUT 6-25 NEUTRALIZED WITH A WATER SOLUBLE BASIC COMPOUND, SUCH AS AMMONIA, AN AMINE, METAL HYDROXIDE, CONTAIN UNIFORMLY DISPERSED FLUOROCARBON POLYMER PARTICLES WHICH CAN BE ELECTRODEPOSITED ON METAL ARTICLES. ELECTRODEPOSITION OF FLUOROCARBON POLYMERS IS PARTICULARLY USEFUL IN COATING IRREGULAR SHAPED OBJECTS, SUCH AS SCREWS, NUTS AND BOLTS, AND IS ALSO USEFUL IN COATING OBJECTS, SUCH AS COOKWARE, TOOLS AND THE LIKE.
Inventors
- 👤 James E Lohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:33
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; C08; C08L; C08L101/00; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/064; C09D163/00; C09D201/00; C09D201/02; C09D201/06; C09D201/08; C09D5/00; C09D5/44; C09D5/4484; C08L27/00; C08L27/02; C08L27/12; C08L27/18; C08L61/00; Y; Y10; Y10S; Y10S524/00; Y10S524/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |