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.

Date of Patent:
Apr. 01, 2014

Filed:

Mar. 31, 2009
Applicants:

Takahiko Murai, Tokyo, JP;

Kohei Kita, Tokyo, JP;

Naoki Sakamoto, Tokyo, JP;

Inventors:

Takahiko Murai, Tokyo, JP;

Kohei Kita, Tokyo, JP;

Naoki Sakamoto, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dispersion composition including a fluorine-containing ion exchange resin having a repeating unit represented by the formulae (1) and a repeating unit represented by the formulae (2), and having an equivalent weight of 400 to 1000 g/eq; and a solvent comprising water, wherein Z represents H, Cl, F, or a perfluoroalkyl group having 1 to 3 carbon atoms; m represents an integer of 0 to 12; and n represents an integer of 0 to 2, and wherein an abundance ratio of a resin having a particle size of 10 μm or more in the fluorine-containing ion exchange resin is 0.1% to 80% by volume.


Find Patent Forward Citations

Loading…