US2845398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymer-wax composition
Assignee: Rohm and Haas Co
•
Filing: 1954-11-12
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Granted: 1958-07-29
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Expires: 1974-11-12
Abstract
No abstract record available.
Inventors
- 👤 George L Brown
- 👤 William R Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:24
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/08; C09G1/10; C09D; C09D131/00; C09D131/02; C09D131/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A COATING COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF (A) A COPOLYMER OF 72 TO 92% VINYL ACETATE, 5 TO 25% OF AN ESTER OF ACRYLIC ACID WITH A MEMBER OF THE GROUP CONSISTING OF METHANOL AND ETHANOL, AND 1 TO 3% OF AN ACID OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ITACONIC ACID, CROTONIC ACID AND MALEIC ACID, (B) A WAX, AND (C) AN EMULSIFYING AGENT, THE RATIO OF COPOLYMER TO WAX BEING FROM 3:1 TO 6:1 AND THE DISPERSION HAVING A PH OF AT LEAST ABOUT 7.5.
Claim 2
Dependent Claim
90 words
A COATING COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF (A) A COPOLYMER OF 72 TO 92% VINYL ACETATE, 5 TO 25% OF AN ESTER OF ACRYLIC ACID WITH A MEMBER OF THE GROUP CONSISTING OF METHANOL AND ETHANOL, AND 1 TO 3% OF AN ACID OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ITACONIC ACID, CROTONIC ACID AND MALEIC ACID, (B) A WAX, AND (C) AN EMULSIFYING AGENT, THE RATIO OF COPOLYMER TO WAX BEING FROM 3:1 TO 6:1 AND THE DISPERSION HAVING A PH OF AT LEAST ABOUT 7.5.
References Cited (Backward Citations)
US2606165A
Cited
US2695277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |