US2684345A
Expired / Lapsed
US
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Interpolymerization products of polymeric polyhydric alcohol esters with methacrylicacid ester monomers
Assignee: Interchemical Corp
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Filing: 1951-09-18
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Granted: 1954-07-20
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Expires: 1971-09-18
Abstract
No abstract record available.
Inventors
- 👤 Yuska Henry
- 👤 John E Hanle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:34
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/1461; C08G59/1472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THERMOPLASTIC RESIN WHICH ARE ITERPOLYMERIZATION PRODUCTS OF (1) AN ESTER OF METHACRYLIC ACID WITH A MONOHYDRIC ALCOHOL CONTAINING 1 TO 4 CARBON AOTMS AND (2) A POLYESTER OBTAINED BY ESTERIFYING (A) 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) ETHYLENICALLY UNSATURATED FATTY ACIDS, THE RATIO OF MOLES OF UNSATURATED FATTY ACID TO MOLES OF POLYMERIC POLYHYDRIC ALCOHOL BEING BETWEEN 1 TO 1 AND 3.5 TO 1 FOR FATTY ACIDS CONTAINING CONJUGATED ETHYLENIC DOUBLE BONDS, AND UP TO BETWEEN 1 TO 1 AND 6.8 TO 1 FOR FATTY ACIDS CONTAINING NON-CONJUGATED DOUBLE BONDS.
Claim 2
Dependent Claim
112 words
THERMOPLASTIC RESIN WHICH ARE ITERPOLYMERIZATION PRODUCTS OF (1) AN ESTER OF METHACRYLIC ACID WITH A MONOHYDRIC ALCOHOL CONTAINING 1 TO 4 CARBON AOTMS AND (2) A POLYESTER OBTAINED BY ESTERIFYING (A) 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) ETHYLENICALLY UNSATURATED FATTY ACIDS, THE RATIO OF MOLES OF UNSATURATED FATTY ACID TO MOLES OF POLYMERIC POLYHYDRIC ALCOHOL BEING BETWEEN 1 TO 1 AND 3.5 TO 1 FOR FATTY ACIDS CONTAINING CONJUGATED ETHYLENIC DOUBLE BONDS, AND UP TO BETWEEN 1 TO 1 AND 6.8 TO 1 FOR FATTY ACIDS CONTAINING NON-CONJUGATED DOUBLE BONDS.
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) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |