US3355435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane casting compositions crosslinked by bis (aminoarylene) sulfones
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1965-02-03
•
Granted: 1967-11-28
•
Expires: 1985-02-03
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Finelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:20
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A POLYURETHANE ELASTOMER COMPRISING THE REACTIN PRODUCT OF AN EXCESS OF AN ORGANIC DIISOCYANATE WITH A MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYESTER DIOLS AND THE POLYESTER AMIDES AND THEN CROSSLINKING WITH A BIS (AMIOARYLENE) SULFONE.
Claim 2
Dependent Claim
37 words
A POLYURETHANE ELASTOMER COMPRISING THE REACTIN PRODUCT OF AN EXCESS OF AN ORGANIC DIISOCYANATE WITH A MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYESTER DIOLS AND THE POLYESTER AMIDES AND THEN CROSSLINKING WITH A BIS (AMIOARYLENE) SULFONE.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |