US2537017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1948-05-29
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Granted: 1951-01-09
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Expires: 1968-05-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:37
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A COATING COMPOSITION FOR FLEXIBLE SURFACES COMPRISING AS ESSENTIAL FILM FORMING MATERIALS: (1) POLYVINYL BUTYRAL; AND (2) A COPOLYMER CONSISTING OF THE COPOLYMERIZATION PRODUCT OF A SECONDARY ALKYL HALF ESTER OF AN ETHYLENE A,B-DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC AND FUMARIC ACIDS, WHEREIN THE ALKYL RADICAL CONTAINS FROM 6 TO 10 CARBON ATOMS, AND STYRENE, SAID HALF ESTER AND STYRENE BEING COPOLYMERIZED IN A MOLAL RATIO BETWEEN 1:1 AND 1:2; AND A PLASTICIZER FOR SAID FILM-FORMING MATERIALS.
Claim 2
Dependent Claim
80 words
A COATING COMPOSITION FOR FLEXIBLE SURFACES COMPRISING AS ESSENTIAL FILM FORMING MATERIALS: (1) POLYVINYL BUTYRAL; AND (2) A COPOLYMER CONSISTING OF THE COPOLYMERIZATION PRODUCT OF A SECONDARY ALKYL HALF ESTER OF AN ETHYLENE A,B-DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC AND FUMARIC ACIDS, WHEREIN THE ALKYL RADICAL CONTAINS FROM 6 TO 10 CARBON ATOMS, AND STYRENE, SAID HALF ESTER AND STYRENE BEING COPOLYMERIZED IN A MOLAL RATIO BETWEEN 1:1 AND 1:2; AND A PLASTICIZER FOR SAID FILM-FORMING MATERIALS.
References Cited (Backward Citations)
US2047398A
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GB466898A
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US2224663A
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US2279881A
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US2377231A
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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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |