US3555108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing useful heat-setting aromatic polymer resinous compositions and products
Assignee: Raytheon Co
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Filing: 1967-09-05
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Granted: 1971-01-12
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Expires: 1987-09-05
Abstract
Abstract THE COMBINATION OF AN AROMATIC POLYPHENYLENE, POLYPHENYLENE OXIDE, POLYPHENYLENE SULFIDE, POLYBENZIMIDAZOLE, WITH AROMATIC POLYMETHYLOL AND ACID CATALYST MATERIAL FORMING A RESIN IN PARTIALLY REACTED STATE IN SOLUTION AND A SOLUBLE AND FUSIBLE PLASTIC PRODUCT, COMPOSITION THEREOF CURABLE TO A USEFUL INFUSIBLE STATE, WITH OR WITHOUT THE ADDITION OF OTHER MATERIAL.
Inventors
- 👤 Norman Bilow
- 👤 Leroy J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:35
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/18; C08G61/00; C08G65/00; C08G65/34; C08G65/48; Y; Y10; Y10S; Y10S525/00; Y10S525/905
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |