US2586652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of interpolymers of styrene with polyhydric alcoholic mixed esters and of coating compositions obtained therefrom
Assignee: Sherwin Williams Co
•
Filing: 1947-02-11
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Granted: 1952-02-19
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Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 Armitage Frank
- 👤 Booth Ernest
- 👤 Buckle Richard Hartlebury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:09
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F242/00; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR PRODUCING A SOLUBLE HOMOGENEOUW INTERPOLYMER HAVING AIR DRYING PROPERTIES COMPRISING HEATING, AT AN ELEVATED TEMPERATURE, A MIXTURE CONSISTING OF STYRENE AND NOT LESS THAN AN EQUAL AMOUNT OF A PARTIALLY POLYMERIZED COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ESTERS FROMED SOLELY FROM FATTY ACIDS AND AT LEAST ONE POLYHDRIC ALCOHOL AND FATTY ACID MODIFIED RESINS FORMED SOLELY FROM FATTY ACIDS, AT LEAST ONE POLYHYDRIC ALCOHOL AND PHTHALIC ACID, THE FATTY ACID COMPONENT OF SAID ESTERS AND RESINS BEING FROM ABOUT 5.2% TO ABOUT 52% CONJUGATED TRIENES WHEN IN THE UNPOLYMERIZED STATE, THE REMAINDER OF SAID FATTY ACID COMPONENT BEING PREDOMINANTLY UNSATURATED.
Claim 2
Dependent Claim
105 words
A PROCESS FOR PRODUCING A SOLUBLE HOMOGENEOUW INTERPOLYMER HAVING AIR DRYING PROPERTIES COMPRISING HEATING, AT AN ELEVATED TEMPERATURE, A MIXTURE CONSISTING OF STYRENE AND NOT LESS THAN AN EQUAL AMOUNT OF A PARTIALLY POLYMERIZED COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ESTERS FROMED SOLELY FROM FATTY ACIDS AND AT LEAST ONE POLYHDRIC ALCOHOL AND FATTY ACID MODIFIED RESINS FORMED SOLELY FROM FATTY ACIDS, AT LEAST ONE POLYHYDRIC ALCOHOL AND PHTHALIC ACID, THE FATTY ACID COMPONENT OF SAID ESTERS AND RESINS BEING FROM ABOUT 5.2% TO ABOUT 52% CONJUGATED TRIENES WHEN IN THE UNPOLYMERIZED STATE, THE REMAINDER OF SAID FATTY ACID COMPONENT BEING PREDOMINANTLY UNSATURATED.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |