US3720592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl ester resins cured by ionizing radiation in the presence of cbr4
Assignee: Dow Chemical Co
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Filing: 1971-03-12
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Granted: 1973-03-13
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Expires: 1991-03-12
Abstract
Abstract THE ADDITION OF AT LEAST ABOUT 0.1 WEIGHT PERCENT OF CARBON TETRABROMIDE TO A THERMPSETTABLE MIXTURE OF CERTAIN VINYL MONOMERS AND POLYMERIZABLE VINYL ESTER RESINS REDUCES THE DOSAGE LEVEL OF IONIZING RADIATION REQUIRED TO CURE THE MIXTURE.
Inventors
- 👤 I Mani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:20
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/026; C08F20/00; C08F20/02; C08F20/10; C08F20/20; C08F283/00; C08F283/10
Claims Analysis
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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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |