US3759808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated diacrylates polymerized with ultraviolet light
Assignee: PPG Industries Inc
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Filing: 1971-04-20
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Granted: 1973-09-18
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Expires: 1991-04-20
Abstract
Abstract A NOVEL METHOD OF PREPARING A STRONG NON-GLOSSY MATERIAL COMPRISES SUBJECTING A COMPOSITON COMPRISING AN ETHYLENICALLY UNSATURATED DIACRYLATE AND A PEROXIDE CATALYST TO ACTINIC LIGHT TO CURE. THE MATERIALS ARE USEFUL AS FILMS AND COATINGS.
Inventors
- 👤 E Parker
- 👤 M Wismer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:55
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C08F2/00; C08F2/46; C08F2/48; C08F20/00; C08F20/02; C08F20/10; C08F20/20; C08F283/00; C08F283/01; C08F299/0407; C08F299/0421
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |