US3582508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber modified with organic polyisocyanates in presence of promoters
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1969-11-28
•
Granted: 1971-06-01
•
Expires: 1989-11-28
Abstract
Abstract A COMPOSITION AND METHOD OF ITS PREPARATION COMPRISING THE PRODUCT OF TREATING AT LEAST ONE RUBBER-LIKE MATERIAL SELECTED FROM NATURAL AND SYNTHETIC RUBBER WITH AT LEAST ONE POLYISOCYANATE IN THE PRESENCE OF AT LEAST ONE REACTION PROMOTER HEREIN DESCRIBED WHEREIN THE COMPOSITION IS PARTICULARLY USEFUL IN PREPARING A PRESSURE SENSITIVE ADHESIVE. REPRESENTATIVE OF THE REACTION PROMOTERS ARE: LECITHIN, LEAD OLEATE, POTASSIUN OLEATE, DIBUTYLTIN DI-(2-DETHYLHEXOATE), DIBUTYLTIN DILAURATE, TRIETHYLENE DIAMINE, N-METHYL MORPHOLINE, N-ETHYL MORPHOLINE, N,N,N'',N''-TETRAMETHYLETHYLENE DIAMINE, AND N,N,N'',N''TETRAMETHYL-1,3-BUTANE DIAMINE.
Inventors
- 👤 Lester H Mcintosh Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:11
CPC Classifications
C; C08; C08C; C08C19/00; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/28; C08G18/67; C08G18/69; C08G2170/00; C08G2170/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |