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. 17, 2016
Filed:
Jan. 24, 2013
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Takashi Iguchi, Settsu, JP;
Takahiro Kitahara, Settsu, JP;
Takuji Ishikawa, Settsu, JP;
Toshiki Ichisaka, Settsu, JP;
Kazunobu Uchida, Settsu, JP;
Tomoyuki Fukatani, Settsu, JP;
Manabu Fujisawa, Settsu, JP;
Kenji Ichikawa, Settsu, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR' (R and R′ are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR″— (R″ represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.