US2799663A
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Resinous polyhydric alcohols modified with polyisocyanates
Assignee: Imperial Chemical Industries Ltd
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Filing: 1953-08-03
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Granted: 1957-07-16
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Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 Hampton Horace Arthur
- 👤 Hurd Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4028; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/4009; C08G18/4045; C08G18/58; C09; C09D; C09D163/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |