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. 04, 2010
Filed:
Apr. 21, 2008
Jun Hoshikawa, Tokyo, JP;
Shinya Higuchi, Tokyo, JP;
Yasuhiko Matsuoka, Tokyo, JP;
Nobuyuki Yamagishi, Tokyo, JP;
Jun Hoshikawa, Tokyo, JP;
Shinya Higuchi, Tokyo, JP;
Yasuhiko Matsuoka, Tokyo, JP;
Nobuyuki Yamagishi, Tokyo, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
To provide a polytetrafluoroethylene (PTFE) aqueous dispersion, which does not substantially contain ammonium perfluorooctanoate and is excellent in mechanical stability, wettability, permeability and coating property, and its product. A PTFE aqueous dispersion comprising from 15 to 70 mass % of PTFE fine particles having an average particle size of from 0.1 to 0.5 μm, from 1×10to 0.5 mass %, based on the mass of the PTFE, of a fluorinated emulsifier of the formula (1): XCFCF(O)CFCFOCFCOOA, wherein X is a hydrogen atom or a fluorine atom, A is a hydrogen atom, an alkali metal or NHand m is an integer of 0 or 1, and from 1 to 20 mass %, based on the mass of the PTFE, of a nonionic surfactant.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile