US3641202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated polyester compositions containing vinyl polyphosphonat compounds
Assignee: Stauffer Chemical Co
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Filing: 1969-05-28
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Granted: 1972-02-08
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Expires: 1989-05-28
Abstract
Abstract CLCH2-CH2-(O-P(=O)(-CH=CH2)-O-CH2-CH2)N-CL WHEREIN N IS A NUMBER OF AT LEAST 2. FLAME RETARDANT RESINOUS COMPOSITIONS AND POLYMERIZABLE COMPOSITIONS COMPRISING AN ETHYLENICALLY UNSATURATED POLYMERIZABLE POLYESTER AND CROSS-LINKING COMPOUNDS CONTAINING CH2=C< GROUPS. A PORTION OF THE CH2=C< GROUPS ARE DERIVED FROM VINYL POLYPHOSPHONATE COMPOUNDS OF THE FORMULA:
Inventors
- 👤 Jerome B Biranowski
- 👤 Edward D Weil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:45
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; C08F; C08F283/00; C08F283/01; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/66; C08G63/668; C08G63/676; Y; Y10; Y10S; Y10S260/00; Y10S260/24
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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |