Patent US3207718A successfully refreshed from Google Patents.
US3207718A
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Epoxy modified vinyl copolymers of alpha, beta-unsaturated dicarboxylic acid partialesters
Assignee: Dow Chemical Co
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Filing: 1961-03-23
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Granted: 1965-09-21
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Robert L Zimmerman
- 👤 Lee Lieng-Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
C; C08; C08L; C08L63/00; C08F; C08F212/00; C08F212/02; C08F212/04; C08F22/00; C08F22/04; C08F8/00; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; C08L35/00; C08L35/06; C09; C09D; C09D135/00; C09D135/06; C09D137/00; C09D163/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T442/00; Y10T442/20; Y10T442/2549; Y10T442/2566
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPATIBLE THERMOSETTING RESIN COMPOSITION COMPRISING (A) A HOMOGENOUS COPOLYMER OF FROM 70 TO 98 MOLE PERCENT OF A VINYL AROMATIC COMPOUND AND FROM 30 TO 2 MOLE PERCENT OF A PARTIAL ESTER OF AN A,B-UNSATURATED DICARBOXYLIC ACID WITH AN ALKYLENE OXIDE MONOETHER ALCOHOL HAVING THE FORMULA
Claim 2
Dependent Claim
47 words
A COMPATIBLE THERMOSETTING RESIN COMPOSITION COMPRISING (A) A HOMOGENOUS COPOLYMER OF FROM 70 TO 98 MOLE PERCENT OF A VINYL AROMATIC COMPOUND AND FROM 30 TO 2 MOLE PERCENT OF A PARTIAL ESTER OF AN A,B-UNSATURATED DICARBOXYLIC ACID WITH AN ALKYLENE OXIDE MONOETHER ALCOHOL HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |