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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.:

US 9085673 B1

PDFFull Text
Date of Patent:
Jul. 21, 2015

Filed:

Jan. 19, 2012

Aniline black having specific sulfur content, and resin composition and water-based and solvent-based dispersions using the aniline black

Applicants:

Yusuke Shimohata, Otake, JP;

Kohei Uehara, Otake, JP;

Nobuya Shimo, Otake, JP;

Koso Aoki, Otake, JP;

Inventors:

Yusuke Shimohata, Otake, JP;

Kohei Uehara, Otake, JP;

Nobuya Shimo, Otake, JP;

Koso Aoki, Otake, JP;

Assignee:

TODA KOGYO CORPORATION, Otake, JP;

Attorney:

Nixon & Vanderhye P.C.

Primary Examiner:

Holly Le

Int. Cl.
CPC ...
C09C 1/44 (2006.01); C08K 5/41 (2006.01); C08K 5/42 (2006.01); B32B 5/16 (2006.01); C08K 5/3465 (2006.01); C09D 11/00 (2014.01); C08L 79/02 (2006.01); C08L 101/00 (2006.01); C09D 5/02 (2006.01); C09D 7/12 (2006.01); C09D 11/328 (2014.01); C09D 11/037 (2014.01); C09D 11/322 (2014.01); C09B 67/46 (2006.01); C09B 67/00 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
C08K 5/3465 (2013.01); C08L 79/02 (2013.01); C08L 101/00 (2013.01); C09B 67/009 (2013.01); C09B 67/0086 (2013.01); C09B 68/22 (2013.01); C09D 5/028 (2013.01); C09D 7/1266 (2013.01); C09D 7/1275 (2013.01); C09D 11/00 (2013.01); C09D 11/037 (2013.01); C09D 11/322 (2013.01); C09D 11/328 (2013.01); C08K 5/0041 (2013.01); Y10T 428/2982 (2015.01);
Abstract

The present invention provides aniline black comprising no harmful substances such as chromium and copper in its products and having an excellent blackness and a high resistivity value, as well as provides a black resin composition, a water-based dispersion and a solvent-based dispersion which are colored with the aniline black and have an excellent dispersibility. The aniline black according to the present invention has a sulfur content of 0.2 to 6.0% by weight and comprises primary particles having an average major axis diameter of 0.05 to 0.80 μm.

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