US3582499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam rubber made by reacting a reactive group polymer latex with polyisocyanates
Assignee: Goodyear Tire and Rubber Co
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Filing: 1970-05-20
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Granted: 1971-06-01
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Expires: 1990-05-20
Abstract
Abstract ORGANIC CELLULAR MATERIALS ARE MADE FROM FOAMED REACTIVE POLYMERIC LATICES TREATED WITH AN ORGANIC POLYISOCYANATE AS A MEANS OF CONVERTING THE LATEX INTO A USEFUL CROSS-LINKED STABLE RETICULAR STRUCTURED FOAM.
Inventors
- 👤 Thomas H Rogers Jr
- 👤 Richard E Fruzzetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:06
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/67; C08G18/69; C08G2101/00; C08J2309/00
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |