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. 03, 2015
Filed:
Jan. 13, 2012
Applicants:
Hiroyuki Sato, Settsu, JP;
Yasuhiko Sawada, Settsu, JP;
Shunji Kasai, Settsu, JP;
Inventors:
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 259/08 (2006.01); C08F 214/26 (2006.01); C08F 14/26 (2006.01); C08J 3/12 (2006.01); C08L 27/18 (2006.01); C08F 2/26 (2006.01);
U.S. Cl.
CPC ...
C08F 214/26 (2013.01); C08F 259/08 (2013.01); C08F 14/26 (2013.01); C08J 3/126 (2013.01); C08L 27/18 (2013.01); C08F 2/26 (2013.01); C08J 2327/18 (2013.01); C08J 2427/18 (2013.01); C08L 2205/02 (2013.01);
Abstract
Provided are modified polytetrafluoroethylene particles having excellent moldability and processability. The modified polytetrafluoroethylene particles each have a core-shell structure that includes a particle core and a particle shell, the particle core having repeating units of tetrafluoroethylene and a comonomer (a), the particle shell having repeating units of tetrafluoroethylene and a comonomer (b), the comonomer (a) being a (perfluoroalkyl)ethylene represented by the following formula (I):CH═CH—Rf  (I)