Patent US751946A successfully refreshed from Google Patents.
Patent US3784503A successfully refreshed from Google Patents.
US3784503A
Expired / Lapsed
US
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Urethane coating based on a substituted isocyanurate-lactone addition product
Assignee: Olin Corp
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Filing: 1972-03-08
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Granted: 1974-01-08
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Expires: 1992-03-08
Abstract
Abstract THIS INVENTION RELATES TO URETHANE COATING COMPOSITIONS, COMPRISING AS A CORSS-LINKING AGENT, AN ADDITION PRODUCT OF A SUBSTITUTED ISOCYANURATE WITH A LACTONE.
Inventors
- 👤 J Pregler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:38
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/46; C08G18/4615; C08G18/4638; C08G18/4661; C08G18/08; C08G18/10; C08G18/30; C08G18/38; C08G18/3819; C08G18/3842; C08G18/3851; C08G18/3853; C08G18/4266; C08G18/4269
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |