Patent US3816559A successfully refreshed from Google Patents.
US3816559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid,curable compositions containing oxoalkyl acrylamides
Assignee: Lubrizol Corp
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Filing: 1972-03-02
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Granted: 1974-06-11
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Expires: 1992-03-02
Abstract
Abstract SOLID, CURABLE SOLUTIONS OR DISPERSIONS ARE FORMED BY BLENDING A POLYMER SUBSTANTIALLY FREE OF ETHYLENIC UNSATURATION, USUALLY A THERMOPLASTIC POLYMER, WITH AN OXOALKYL-SUBSTITUTED ACRYLAMIDE SUCH AS DIACETONE ACRYLAMIDE, HEATING TO ABOVE THE MELTING POINT OF THE LATTER, AND THEN COOLING. THEY MAY BE CURED (E.G., BY THE ACTION OF A FREE RADICAL CATALYST) UNDER RELATIVELY UNSOPHISTICATED CONDITIONS, SUCH AS IN THE HOME, TO FORM USEFUL AND DECORATIVE COATINGS, LAMINATES AND ADHESIVES.
Inventors
- 👤 E Farone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; C08F; C08F291/00
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |