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 8740994 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 03, 2014

Filed:

May. 10, 2012
Applicants:

Yoshihiko Hirose, Kakamigahara, JP;

Yukihide Sato, Kakamigahara, JP;

Inventors:

Yoshihiko Hirose, Kakamigahara, JP;

Yukihide Sato, Kakamigahara, JP;

Assignee:

Amano Enzyme Inc., Nagoya-shi, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); A61K 8/66 (2006.01);
U.S. Cl.
CPC ...
A61Q 5/10 (2013.01); A61K 8/66 (2013.01);
Abstract

The object is to provide a process for dyeing that can provide an excellent dyeing effect while utilizing an oxidase, and a dyeing agent for use in the process. Provided is a dyeing agent comprising a modified enzyme obtained by adding positive charge by a chemical modification with an amine to an enzyme selected from the group consisting of an enzyme specified as EC 1.10.3.1, an enzyme specified as EC 1.10.3.2, an enzyme specified as EC 1.3.3.5, an enzyme specified as EC 1.10.3.4, an enzyme specified as EC 1.10.3.3 and an enzyme specified as EC 1.14.18.1. A process for dyeing using the dyeing agent is also provided.


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