US3766181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isocyanurate addition products with lactones
Assignee: Olin Corp
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Filing: 1972-03-08
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Granted: 1973-10-16
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Expires: 1992-03-08
Abstract
Abstract ADDITIONAL PRODUCTS ARE PREPARED FROM SUBSTITUTED ISOCYANURATES AND LACTONES. THESE ADDITION PRODUCTS ARE USEFUL IN THE PREPARATION OF URETHANE COATINGS.
Inventors
- 👤 J Pregler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:01
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6852; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/46; C08G18/4615; C08G18/4638; C08G18/4661
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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |