US3778403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosols of aziridinyl alkyl acrylate or methacrylate acrylic graft polymers
Assignee: EIDP Inc
•
Filing: 1970-12-22
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Granted: 1973-12-11
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Expires: 1990-12-22
Abstract
Abstract THE ORGANOSOL COATING COMPOSITION CONSISTS ESSENTIALLY OF A GRAFT COPOLYMER DISPERSED IN AN ORGANIC LIQUID. THE BACKBONE OF THE GRAFT COPOLYMER IS INSOLUBLE IN THE ORGANIC LIQUID AND IS OF POLYMERIZED UNITS OF AN ALKYL METHACRYLATE, AND ALKYL ACRYLATE, ACRYLONITRILE, METHACRYLONITRILE, STYRENE OF A MIXTURE OF THESE CONSTITUENTS AND HAS GRAFTED INTO THE BACKBONE THROUGH AN AZIRIDINYL ACRYLATE OR METHACRYLATE COUPLING UNIT AN ACRYLIC SIDE CHAIN THAT IS SOLUBLE IN THE ORGANIC LIQUID. THE COMPOSITION IS PARTICULARLY USEFUL AS AN EXTERIOR COATING FOR AUTOMOBILES AND TRUCKS.
Inventors
- 👤 A Walus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:55
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |