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:
Mar. 20, 2012
Filed:
Jul. 18, 2008
Takahiro Kitahara, Settsu, JP;
Tomohiro Kino, Settsu, JP;
Megumi Sato, Settsu, JP;
Eiji Fujita, Settsu, JP;
Takahiro Kitahara, Settsu, JP;
Tomohiro Kino, Settsu, JP;
Megumi Sato, Settsu, JP;
Eiji Fujita, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
The present invention provides a fluoropolymer capable of giving fluorine-containing molded materials and laminates excellent in moldability, productivity, interlaminar bonding and stress cracking resistance, in particular stress cracking resistance upon contacting with various liquid chemicals, without impairing such characteristics intrinsic in fluororesins as chemical resistance, solvent resistance, weathering resistance, antifouling properties, liquid chemical impermeability and nonstickiness. The present invention provides a fluoropolymer which is an oligomer-containing or oligomer-free fluoropolymer, wherein said oligomer has a molecular weight not higher than 10,000 and amounts to not more than 0.05% by mass relative to the fluoropolymer.