US3826786A
Expired / Lapsed
US
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Polymerization controlled diallylic phthalate polymer compositions
Assignee: Lyondell Chemical Technology LP
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Filing: 1972-05-26
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Granted: 1974-07-30
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Expires: 1992-05-26
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% BY WEIGHT OF ANTHRACENE, BASED ON THE TOTAL POLYMERIZABLE MATERIALS.
Inventors
- 👤 C Wright
- 👤 H Beacham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:27
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/06; C08F283/08; C08F263/00; C08F263/06; C08F263/08; 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
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |