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US3427272A
Expired / Lapsed
US
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Water-soluble polyurethane produced by reacting an aldehyde and the reaction product of an organic diisocyanate and an anhydrous polyalkylene ether glycol
Assignee: Deering Milliken Research Corp
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Filing: 1968-03-22
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Granted: 1969-02-11
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Expires: 1988-03-22
Abstract
No abstract record available.
Inventors
- 👤 Edgar Dare Bolinger
- 👤 Emile E Habib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:47
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/84; C08G18/08; C08G18/10; C08G18/831
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |