Patent US2560495A successfully refreshed from Google Patents.
US2560495A
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Interpolymers of polyolefinic 2-alkenyl olefinic alcohol esters with crotonaldehyde
Assignee: Uniroyal Inc
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Filing: 1948-12-30
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Granted: 1951-07-10
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Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:28
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ACETON-SOLUBLE, HEAT-CONVERTIBLE, UNSATURATED MASS INTERPOLYMER OF MONOMERS CONSISTING OF (A) A POLYOLEFINIC ESTER OF AN OLEFINIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALLYL, METHALLYL AND BETA-ALLYLOXYETHYL ALCOHOLS WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC, METHACRYLIC, ADIPIC, PHTHALIC, MALEIC, FUMARIC AND ITACONIC ACIDS, SAID ACID BEING FULLY ESTERIFIED WITH SAID ALCOHOL, (B) FROM 0.2 TO 10 MOLES OF CROTONALDEHYDE PER MOLE OF (A), AND (C) UP TO 8.0 MOLES OF A COPOLYMERIZABLE MONOOLEFINIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, METHYL ACRYLATE, DIETHYL FUMARATE AND VINYL ACETATE PER MOLE OF (A).
Claim 2
Dependent Claim
96 words
AN ACETON-SOLUBLE, HEAT-CONVERTIBLE, UNSATURATED MASS INTERPOLYMER OF MONOMERS CONSISTING OF (A) A POLYOLEFINIC ESTER OF AN OLEFINIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALLYL, METHALLYL AND BETA-ALLYLOXYETHYL ALCOHOLS WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC, METHACRYLIC, ADIPIC, PHTHALIC, MALEIC, FUMARIC AND ITACONIC ACIDS, SAID ACID BEING FULLY ESTERIFIED WITH SAID ALCOHOL, (B) FROM 0.2 TO 10 MOLES OF CROTONALDEHYDE PER MOLE OF (A), AND (C) UP TO 8.0 MOLES OF A COPOLYMERIZABLE MONOOLEFINIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, METHYL ACRYLATE, DIETHYL FUMARATE AND VINYL ACETATE PER MOLE OF (A).
References Cited (Backward Citations)
GB517684A
Cited
US2375256A
Cited
US2260005A
Cited
US2378195A
Cited
US2378197A
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US2388167A
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US2431374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |