Patent US2547701A successfully refreshed from Google Patents.
US2547701A
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Soluble fusible unsaturated halogen-containing resins made by polymerization of di-2-alkenyl ester of an alpha-ethylenic dicarboxylic acid in the presence of a bromomethane compound typified by bromotrichloromethane
Assignee: Uniroyal Inc
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Filing: 1947-07-17
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Granted: 1951-04-03
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Expires: 1967-07-17
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gregg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:13
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F22/26; C08F22/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD WHICH COMPRISES POLYMERIZING A MONOMERIC DI-ESTER OF AN ALCOHOL SELECTED FROM THE CONSISTING OF ALLYL ALCOHOL AND 2-ALKYLALLYL ALCOHOLS WITH AN ALPHA-ETHYLENIC DICARBOXYLIC ACID IN THE PRESENCE OF FROM 5 TO 250 PER CENT BY WEIGHT BASED ON THE WEIGHT OF SAID ESTER OF A BROMOMETHANE COMPOUND OF THE GENERAL FORMULA BRCX3 WHERE THE X''S ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, BROMINE AND CHLORINE, AT LEAST TWO OF THE X''S BEING HALOGEN, WHEREBY A SOLUBLE FUSIBLE UNSATURATED HALOGENCONTAINING RESIN IS OBTAINED BY HEATING THE MIXTURE AT A TEMPERATURE OF FROM 25* TO 100* C. IN THE PRESENCE OF A PEROXIDIC POLYMERIZATION CATALYST.
Claim 2
Independent Claim
106 words
A METHOD WHICH COMPRISES POLYMERIZING A MONOMERIC DI-ESTER OF AN ALCOHOL SELECTED FROM THE CONSISTING OF ALLYL ALCOHOL AND 2-ALKYLALLYL ALCOHOLS WITH AN ALPHA-ETHYLENIC DICARBOXYLIC ACID IN THE PRESENCE OF FROM 5 TO 250 PER CENT BY WEIGHT BASED ON THE WEIGHT OF SAID ESTER OF A BROMOMETHANE COMPOUND OF THE GENERAL FORMULA BRCX3 WHERE THE X''S ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, BROMINE AND CHLORINE, AT LEAST TWO OF THE X''S BEING HALOGEN, WHEREBY A SOLUBLE FUSIBLE UNSATURATED HALOGENCONTAINING RESIN IS OBTAINED BY HEATING THE MIXTURE AT A TEMPERATURE OF FROM 25* TO 100* C. IN THE PRESENCE OF A PEROXIDIC POLYMERIZATION CATALYST.
References Cited (Backward Citations)
US2433616A
Cited
US2436256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |