US3923929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a diallylic phthalate polymer and a polyphenylene ether
Assignee: FMC Corp
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Filing: 1973-11-30
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Granted: 1975-12-02
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Expires: 1993-11-30
Abstract
Abstract Diallylic phthalate prepolymer compositions whose polymerization is controlled, and which compositions may contain polyphenylene ether polymers, are prepared by incorporating in the compositions 0.01 to 1.5 percent by weight of anthracene, based on the total polymerizable materials.
Inventors
- 👤 Carl Leonard Wright
- 👤 Harry Hoyt Beacham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:56
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/06; C08F283/08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/032; H05K1/0326; H05K1/0353; H05K1/0373; Y; Y10; Y10S; Y10S525/00; Y10S525/905; Y10S525/921; Y10S525/935; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
62 words
A THERMOSETTING RESIN COMPOSITION COMPRISING (A) 5 TO 95 PERCENT BY WEIGHT OF A DIALLYLIC PHTHALATE PREPOLYMER SELECTED FROM THE GROUP CONSISTING OF DIALLYL ORTHOPHALATE PREPOLYMERS AND DIALLYL ISOPTHALATE PREPOLYMERS, AT LEAST 5 OF THE 5 TO 95 PERCENT BEING A LIQUID MONOMER; (B) 5 TO 95 PERCENT BY WEIGHT OF A POLYPHENYLENE ETHER HAVING A REPEATING STRUCTURAL UNIT OF THE FORMULA
Claim 2
Dependent Claim
62 words
A THERMOSETTING RESIN COMPOSITION COMPRISING (A) 5 TO 95 PERCENT BY WEIGHT OF A DIALLYLIC PHTHALATE PREPOLYMER SELECTED FROM THE GROUP CONSISTING OF DIALLYL ORTHOPHALATE PREPOLYMERS AND DIALLYL ISOPTHALATE PREPOLYMERS, AT LEAST 5 OF THE 5 TO 95 PERCENT BEING A LIQUID MONOMER; (B) 5 TO 95 PERCENT BY WEIGHT OF A POLYPHENYLENE ETHER HAVING A REPEATING STRUCTURAL UNIT OF THE FORMULA
Claim 3
Dependent Claim
27 words
The thermosetting resin composition of claim 1 further comprising up to 200 parts by weight of filler per 100 parts by weight of diallylic phthalate-polyphenylene ether resin.
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) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |