US3645960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered coating compositions and the method for their application
Assignee: Polymer Corp
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Filing: 1967-08-07
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Granted: 1972-02-29
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Expires: 1987-08-07
Abstract
Abstract THIS APPLICATION DISCLOSES A POWDERED COATING COMPOSITION CAHRACTERIZED GENERALLY AS BEING A DRY BLEND OF THERMOSETTING FILM-FORMING RESINS SUITABLE FOR FORMING A COATING ON AN ARTICLE BY THERMOFUSION WITH UP TO ABOUT 4% OF A SOLID INFUSIBLE MATERIAL HAVING AN OIL ABSORPTION VALUE OF AT LEAST 75 POUNDS PER 100 POUNDS. REFERENCE IS MADE PARTICULARLY TO THE USE OF SYNTHETIC SILICATES AND CARBON BLACK FOR THIS PURPOSE, AS WELL AS TO THE USE OF OF PHENOLIC RESINS AND THE SILICONE RESINS. THERE IS ALSO DISCLOSED THE USE OF FINELY DIVIDED SILICA AND EPOXY RESINS FOR THIS SAME PURPOSE.
Inventors
- 👤 Laurence H Haag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
C; C09; C09D; C09D163/00; C09D161/00; C09D161/04; C09D161/06; Y; Y10; Y10S; Y10S524/00; Y10S524/904
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |