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:
Oct. 06, 2020
Filed:
Nov. 26, 2019
Daikin Industries, Ltd., Osaka-Shi, Osaka, JP;
Ken Yoshida, Osaka, JP;
Hirotoshi Yoshida, Osaka, JP;
Keisuke Hagi, Osaka, JP;
Masayuki Tsuji, Osaka, JP;
Taketo Kato, Osaka, JP;
Yuuji Tanaka, Osaka, JP;
Taku Yamanaka, Osaka, JP;
Kazuya Kawahara, Osaka, JP;
Masamichi Sukegawa, Osaka, JP;
Kazutaka Hosokawa, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
Low molecular weight polytetrafluoroethylene powder having a complex viscosity of 1×10to 7×10Pa·s at 380° C., containing 5 or less carboxyl groups at ends of the molecule chain per 10carbon atoms in the main chain, and being substantially free from C8-C14 perfluorocarboxylic acids and salts thereof. Also disclosed is a method for producing low molecular weight polytetrafluoroethylene.