Patent US2526434A successfully refreshed from Google Patents.
US2526434A
Expired / Lapsed
US
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Interpolymers of styrene, an allylic fumarate, and an allylic alcohol
Assignee: Uniroyal Inc
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Filing: 1947-11-29
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Granted: 1950-10-17
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Expires: 1967-11-29
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:46
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F22/00; C08F22/10; C08F22/26; C08F22/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ACETONE-SOLUBLE, UNSATURATED INTERPOLYMER OF (A) OF MONOMERIC 2-ALKENYL LFUMARATE OF THE CLASS CONSISTING OF DIALLYL FUMARATE AND DIMETHALLYL LFUMARATE, (B) A 2-ALKENYL ALCOHOL OF THE FORMULA H2C=C(X)-CH2OH IN WHICH X IS A RADICAL FROM THE CLASS CONSISTING OF HYDROGEN AND METHYL, AND (C) A VINYLBENZENE OF THE FORMULA (P-)X-C6H4-CH=CH2 IN WHICH X IS A RADICAL FROM THE CLASS CONSISTING OF HYDROGEN, METHYL, AND CHLORINE, SAID INTERPOLYMER RESULTING FROM HEATING, IN THE PRESENCE OF A PEROXIDIC POLYMERIZATION CATALYST, A POLYMERIZABLE MIXTURE COMPRISING INITIALLY FROM 0.5 MOLE TO 6 MOLES OF THE VINYLBENZENE PER MOLE OF THE FUMARATE, AND FROM 10% TO 700% OF THE SAID ALCOHOL BASED ON THE WEIGHT OF THE FUMARATE.
Claim 2
Dependent Claim
113 words
AN ACETONE-SOLUBLE, UNSATURATED INTERPOLYMER OF (A) OF MONOMERIC 2-ALKENYL LFUMARATE OF THE CLASS CONSISTING OF DIALLYL FUMARATE AND DIMETHALLYL LFUMARATE, (B) A 2-ALKENYL ALCOHOL OF THE FORMULA H2C=C(X)-CH2OH IN WHICH X IS A RADICAL FROM THE CLASS CONSISTING OF HYDROGEN AND METHYL, AND (C) A VINYLBENZENE OF THE FORMULA (P-)X-C6H4-CH=CH2 IN WHICH X IS A RADICAL FROM THE CLASS CONSISTING OF HYDROGEN, METHYL, AND CHLORINE, SAID INTERPOLYMER RESULTING FROM HEATING, IN THE PRESENCE OF A PEROXIDIC POLYMERIZATION CATALYST, A POLYMERIZABLE MIXTURE COMPRISING INITIALLY FROM 0.5 MOLE TO 6 MOLES OF THE VINYLBENZENE PER MOLE OF THE FUMARATE, AND FROM 10% TO 700% OF THE SAID ALCOHOL BASED ON THE WEIGHT OF THE FUMARATE.
References Cited (Backward Citations)
US2378195A
Cited
US2441515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |