US3595900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanatophenyl-terminated polyarylene ethers
Assignee: 3M Co
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Filing: 1968-07-01
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Granted: 1971-07-27
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Expires: 1988-07-01
Abstract
Abstract HYDROXY-TERMINATED POLYARYLENE ETHERS ARE REACTED WITH CYANOGEN HALIDES TO PRODUCE CYANATOPHENYL-TERMINATED POLYARYLENE ETHERS WHICH CAN BE THERMALLY POLYMERIZED TO PRODUCE POLYARYLENE ETHER CYANURATES HAVING OUTSTANDING STRENGTH, TOUGHNESS, AND FLEXIBILITY AND USEFUL IN ADHESIVES, COATINGS, AND BINDERS.
Inventors
- 👤 Basil L Loudas
- 👤 Herward A Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:02
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/48; C07; C07C; C07C261/00; C07C261/02; C07C317/00; C07C317/16; C07C317/22; C07C45/00; C07C45/27; C07C45/61; C07C45/67; C07C45/673; C07C45/68; C07C45/70
Claims Analysis
Total Claims: 0
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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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |