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:
May. 19, 2015
Filed:
May. 19, 2011
Hiroshi Uchida, Minato-ku, JP;
Masanao Hara, Minato-ku, JP;
Hiroshi Uchida, Minato-ku, JP;
Masanao Hara, Minato-ku, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
Provided is a fluorine- and epoxy group-containing copolymer with excellent workability at room temperature, high water-repellency, and excellent characteristics as a water vapor barrier. Also provided is an efficient method for producing said copolymer. The fluorine and epoxy group-containing copolymer is characterized by containing at least a monomer unit represented by general formula (1): {Therein, R-Reach independently represent an alkyl group having 1-3 carbon atoms or a hydrogen atom, Ris a hydrogen atom, methyl group, or phenyl group, and Ror Rcan be linked with Ror Rto form a ring.} and a monomer unit represented by general formula (2): {Therein, Rand Reach independently represent a hydrogen atom or a fluorine atom; Rrepresents a hydrogen atom, fluorine atom, methyl group or trifluoromethyl group, and Rrepresents a flourine atom or perfluoro group having at most 12 carbon atoms}.