US2900359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of acrylonitrile, an allyl alcohol and a styrene compound, process of preparing same and coating composition therefrom
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-01-10
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Granted: 1959-08-18
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Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Earl C Chapin
- 👤 Richard F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:27
CPC Classifications
C; C08; C08F; C08F16/00; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C09; C09D; C09D129/00; C09D129/02; C09D129/06; C09D129/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A TERPOLYMER CONSISTING OF AN ALLYL ALCOHOL COMPONENT, A STYRENE COMPONENT AND AN ACRYLONITRILE COMPONENT, THE AMOUNT OF ALLYL ALCOHOL COMPONENT IN THE TERPOLYMER VARYING BETWEEN 2 AND 25% BY WEIGHT, THE AMOUNT OF STYRENE COMPONENT IN THE TERPOLYMER VARYING BETWEEN 20 AND 75% BY WEIGHT AND THE AMOUNT OF ACRYLONITRILE COMPONENT IN THE TERPOLYMER VARYING BETWEEN 5 AND 70% BY WEIGHT SAID TERPOLYMER HAVING BEEN PREPARED BY THE PROCESS WHICH COMPRISE MIXING THE ALLYL ALCOHOL COMPONENT, THE STYRENE COMPONENT AND THE ACRYLONITRLE COMPONENT TOGETHER AND HEATING THE RESULTING MIXTURE TO A TEMPERATURE OF 100-250* C. UNDER AUTOGENOUS PRESSURE; SAID STYRENE, RING-SUBSTI MEMBER OF THE GROUP CONSISTING OF STYRENE, RING-SUSTITUTED ALKYL STRYRENES, RING-SUBSTITUTED CHLOROSTYRENES, RINGSUBSTITUTED ALKYL CHLOROSTYRENES AND MIXTURES THEREOF; SAID ACRYLONITRILE COMPONENT BEING A MEMBER OF THE GROUP CONSISTING OF ACRYLONITRILE, METHACRYLONITRILE AND MIXTURES THEREOF; AND SAID ALLYL ALCOHOL COMPONENT BEING A MEMBER OF THE GROUP CONSISTING OF ALKYL AND METHALLYL ALCOHOLS AND MIXTURES THEREOF.
Claim 2
Dependent Claim
156 words
A TERPOLYMER CONSISTING OF AN ALLYL ALCOHOL COMPONENT, A STYRENE COMPONENT AND AN ACRYLONITRILE COMPONENT, THE AMOUNT OF ALLYL ALCOHOL COMPONENT IN THE TERPOLYMER VARYING BETWEEN 2 AND 25% BY WEIGHT, THE AMOUNT OF STYRENE COMPONENT IN THE TERPOLYMER VARYING BETWEEN 20 AND 75% BY WEIGHT AND THE AMOUNT OF ACRYLONITRILE COMPONENT IN THE TERPOLYMER VARYING BETWEEN 5 AND 70% BY WEIGHT SAID TERPOLYMER HAVING BEEN PREPARED BY THE PROCESS WHICH COMPRISE MIXING THE ALLYL ALCOHOL COMPONENT, THE STYRENE COMPONENT AND THE ACRYLONITRLE COMPONENT TOGETHER AND HEATING THE RESULTING MIXTURE TO A TEMPERATURE OF 100-250* C. UNDER AUTOGENOUS PRESSURE; SAID STYRENE, RING-SUBSTI MEMBER OF THE GROUP CONSISTING OF STYRENE, RING-SUSTITUTED ALKYL STRYRENES, RING-SUBSTITUTED CHLOROSTYRENES, RINGSUBSTITUTED ALKYL CHLOROSTYRENES AND MIXTURES THEREOF; SAID ACRYLONITRILE COMPONENT BEING A MEMBER OF THE GROUP CONSISTING OF ACRYLONITRILE, METHACRYLONITRILE AND MIXTURES THEREOF; AND SAID ALLYL ALCOHOL COMPONENT BEING A MEMBER OF THE GROUP CONSISTING OF ALKYL AND METHALLYL ALCOHOLS AND MIXTURES THEREOF.
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) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |