US3287293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing copolymers from polyesters containing polymerizable groups andalpha, beta-ethylenically unsaturated compounds and product
Assignee: Reichhold Chemicals Inc
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Filing: 1964-10-30
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Granted: 1966-11-22
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Dalibor Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:59
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; C08F; C08F283/00; C08F283/01; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/56; C08G63/58; C08L; C08L61/00; C08L61/20; C08L67/00; C08L67/06; C09; C09D; C09D161/00; C09D161/20; C08J2367/00; C08J2367/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
PROCESS FOR PREPARING COPOLYMERS FROM POLYESTERS CONTAINING POLYMERIZABLE GROUP AND A,B-ETHYLENICALLY UNSATURATED COMPOUNDS, CHARACTERIZED IN THAT (A) POLYESTERS, OBTAINED FROM ALIPHATIC MONOCARBOXYLIC ACIDS, POLYALCOHOLS AND DICARBOXYLIC ACIDS, ARE COPOLYMERIZED WITH (B) MIXTURES CONSISTING OF (1) OLEFINICALLY UNSATURATED COMPOUNDS THAT HAVE NO REACTIVE HYDROGEN ATOMS AND (2) OLEFINICALLY UNSATURATED COMPOUNDS THAT HAVE REACTIVE HYDROGEN ATOMS, WHEREIN THE OLEFINICALLY UNSATURATED COMPOUNDS (2) CONTAIN UNSATURATED ETHER RADICALS IN ADDITION TO HYDROXYL GROUPS.
Claim 2
Dependent Claim
69 words
PROCESS FOR PREPARING COPOLYMERS FROM POLYESTERS CONTAINING POLYMERIZABLE GROUP AND A,B-ETHYLENICALLY UNSATURATED COMPOUNDS, CHARACTERIZED IN THAT (A) POLYESTERS, OBTAINED FROM ALIPHATIC MONOCARBOXYLIC ACIDS, POLYALCOHOLS AND DICARBOXYLIC ACIDS, ARE COPOLYMERIZED WITH (B) MIXTURES CONSISTING OF (1) OLEFINICALLY UNSATURATED COMPOUNDS THAT HAVE NO REACTIVE HYDROGEN ATOMS AND (2) OLEFINICALLY UNSATURATED COMPOUNDS THAT HAVE REACTIVE HYDROGEN ATOMS, WHEREIN THE OLEFINICALLY UNSATURATED COMPOUNDS (2) CONTAIN UNSATURATED ETHER RADICALS IN ADDITION TO HYDROXYL GROUPS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |