Patent US2718513A successfully refreshed from Google Patents.
US2718513A
Expired / Lapsed
US
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Manufacture of pigmented chips
Assignee: Monsanto Chemicals Ltd
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Filing: 1948-07-02
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Granted: 1955-09-20
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Expires: 1968-07-02
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Beardsell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:56
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
PIGMENTED CHIPS FOR USE IN PIGMENTED COATING COMPOSITIONS COMPRISING (1) A COPOLYMER CONSISTING OF THE COPOLYMERIZATION PRODUCT OF A POLYMERIZABLE VINYL COMPOUND HAVING THE STRUCTURAL FORMULA: R-CH=CH2, WHERE R IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF PHENYL AND SUBSTITUTED PHENYL RADICALS, WITH A SECONDARY ALKYL HALF ESTER OF AN ETHYLENE A,B DICARBOXYLIC ACID, SAID VINYL COMPOUND AND SAID ESTER BEING COPOLYMERIZED IN MOLAR RATIO OF 1:1 TO 2:1, (2) A PLASTICIZER FOR SAID COPOLYMER AND (3) FROM ABOUT 60 TO 70% BY WEIGHT, BASED ON THE TOTAL WEIGHT OF THE CHIPS, OF A PIGMENT.
Claim 2
Dependent Claim
96 words
PIGMENTED CHIPS FOR USE IN PIGMENTED COATING COMPOSITIONS COMPRISING (1) A COPOLYMER CONSISTING OF THE COPOLYMERIZATION PRODUCT OF A POLYMERIZABLE VINYL COMPOUND HAVING THE STRUCTURAL FORMULA: R-CH=CH2, WHERE R IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF PHENYL AND SUBSTITUTED PHENYL RADICALS, WITH A SECONDARY ALKYL HALF ESTER OF AN ETHYLENE A,B DICARBOXYLIC ACID, SAID VINYL COMPOUND AND SAID ESTER BEING COPOLYMERIZED IN MOLAR RATIO OF 1:1 TO 2:1, (2) A PLASTICIZER FOR SAID COPOLYMER AND (3) FROM ABOUT 60 TO 70% BY WEIGHT, BASED ON THE TOTAL WEIGHT OF THE CHIPS, OF A PIGMENT.
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) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |