US3644584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymers bearing at least two unlike types of graft components
Assignee: Valspar Corp
•
Filing: 1968-08-30
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Granted: 1972-02-22
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Expires: 1988-08-30
Abstract
Abstract GRAFT COPOLYMERS HAVING POLYEMERIC BACKBONE COMPONENTS AND MULTIPLE UNLIKE TYPES OF GRAFT COMPONENTS, AND A METHOD FOR PREPARING THEM. THE BACKBONE COMPONENTS CAN BE UNSATURATED POLYMERS OR SATURATED POLYMERS WHICH PROVIDE GRAFTING SITES; THE GRAFT COMPONENTS CAN BE POLYMERS OF GRAFT COPOLYMERIZABLE VINYL MONOMERS. THE GRAFT COPOLYMERS ARE USEFUL AS CAN COATINGS, AS FILM-FORMING COMPONENTS IN COATING COMPOSITINS AND AS ADHESIVES.
Inventors
- 👤 Michael Fryd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:39
CPC Classifications
C; C08; C08F; C08F285/00; C08F279/00; C08F279/02; Y; Y10; Y10S; Y10S524/00; Y10S524/923
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) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |