US2677671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymer from lower alkyl ester of methacrylic acid, fatty acid ester of epoxy resin and ester of alpha, beta unsaturated dicarboxylic acid with diels-alder adduct of cyclopentadiene and allyl alcohol
Assignee: Interchemical Corp
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Filing: 1952-08-05
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Granted: 1954-05-04
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Yuska Henry
- 👤 Alfred M Tringali
- 👤 John E Hanle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:55
CPC Classifications
C; C08; C08F; C08F290/00; C08F290/08; C08F290/14; C08F290/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AS A NEW SYNTHETIC RESIN, THE PEROXIDE CATALYZED TERPOLYMERIZATION PRODUCTS OF A MIXTURE OF (1) A LOWER ALKYL ESTER OF METHACRYLIC ACID CONTAINING 1 TO 4 CARBON ATOMS IN SAID ALKYL GROUP, (2) A POLYHYDRIC ALCOHOL ESTER OBTAINED BY ESTERIFYING (A) ONE MOLE OF A POLYMERIC POLYHYDRIC ALCOHOL HAVING ALTERNATING ALIPHATIC CHAINS AND AROMATIC NUCLEI UNITED THROUGH ETHER OXYGEN AND CONTAINING FROM 5 TO 20 ALCOHOLIC HYDROXYL GROUPS PER MOLECULE WITH (B) AT LEAST ONE MOLE OF AN ETHYLENICALLY UNSATURATED FATTY OIL ACID, AND (3) A THERMOSETTING ESTER OBTAINED BY ESTERIFYING AN A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC REACTANT WITH THE DIELS-ALDER ADDUCT OF CYCLOPENTADIENE AND ALLYL ALCOHOL.
Claim 2
Dependent Claim
105 words
AS A NEW SYNTHETIC RESIN, THE PEROXIDE CATALYZED TERPOLYMERIZATION PRODUCTS OF A MIXTURE OF (1) A LOWER ALKYL ESTER OF METHACRYLIC ACID CONTAINING 1 TO 4 CARBON ATOMS IN SAID ALKYL GROUP, (2) A POLYHYDRIC ALCOHOL ESTER OBTAINED BY ESTERIFYING (A) ONE MOLE OF A POLYMERIC POLYHYDRIC ALCOHOL HAVING ALTERNATING ALIPHATIC CHAINS AND AROMATIC NUCLEI UNITED THROUGH ETHER OXYGEN AND CONTAINING FROM 5 TO 20 ALCOHOLIC HYDROXYL GROUPS PER MOLECULE WITH (B) AT LEAST ONE MOLE OF AN ETHYLENICALLY UNSATURATED FATTY OIL ACID, AND (3) A THERMOSETTING ESTER OBTAINED BY ESTERIFYING AN A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC REACTANT WITH THE DIELS-ALDER ADDUCT OF CYCLOPENTADIENE AND ALLYL ALCOHOL.
References Cited (Backward Citations)
US2596737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |