The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2014
Filed:
Dec. 20, 2012
Yue Chen, Edison, NJ (US);
Navin Tilara, Roseland, NJ (US);
Jean Frederick Mauck, Hackettstown, NJ (US);
Shijun Yang, Maple Glen, PA (US);
Yakov Freidzon, South Orange, NJ (US);
Robert J. Sheerin, N. Caldwell, NJ (US);
Yue Chen, Edison, NJ (US);
Navin Tilara, Roseland, NJ (US);
Jean Frederick Mauck, Hackettstown, NJ (US);
Shijun Yang, Maple Glen, PA (US);
Yakov Freidzon, South Orange, NJ (US);
Robert J. Sheerin, N. Caldwell, NJ (US);
Columbia Insurance Company, Omaha, NE (US);
Abstract
The present invention is directed to a coating composition comprising a vinyl acrylic copolymer latex wherein said copolymer latex has a water contact angle of about 60° or higher on the dried latex film surface, wherein said copolymer latex further has a specific water vapor permeability of about 0.5 mg/cm/mm/24 hr. The invention is also directed to the copolymer latex itself. Further, the invention is a method of improving a coating's ability to withstand a high humidity environment comprising adding a vinyl acrylic copolymer latex to the coating composition wherein said copolymer latex has a water contact angle of about 60° or higher on the dried latex film surface, and wherein said copolymer latex further has a specific water vapor permeability of about 0.5 mg/cm/mm/24 hr.