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. 21, 2017
Filed:
Feb. 23, 2015
Applicant:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Inventors:
Goro Okada, Nagoya, JP;
Kunihiro Fujita, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06L 3/10 (2006.01); D06P 5/00 (2006.01); C07C 323/52 (2006.01); C07C 381/14 (2006.01); B41J 2/01 (2006.01); B41J 11/00 (2006.01); B41J 3/407 (2006.01);
U.S. Cl.
CPC ...
D06L 3/10 (2013.01); B41J 2/01 (2013.01); B41J 3/4078 (2013.01); B41J 11/0015 (2013.01); C07C 323/52 (2013.01); C07C 381/14 (2013.01); D06P 5/001 (2013.01);
Abstract
The present invention relates to a reducing agent containing thiourea dioxide. The reducing agent contains thiourea. The reducing agent contains carboxylate. The carboxylate includes at least one of aliphatic monocarboxylate, an aliphatic monocarboxylic acid derivative salt, and malonate. Therefore, the reducing agent exerts a good reducing ability and a good long-term stability effect.