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:
Jul. 08, 2003
Filed:
Jun. 25, 1999
Applicant:
Inventors:
Akira Kuriyama, Atsugi, JP;
Yasutsugu Yamada, Yokohama, JP;
Etsuko Sugawa, Atsugi, JP;
Kinya Kato, Atsugi, JP;
Masanori Sakuranaga, Atsugi, JP;
Takeshi Imamura, Chigasaki, JP;
Yuji Kawabata, Isehara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/00 ;
U.S. Cl.
CPC ...
C07C 1/00 ;
Abstract
A process for treating colored liquid comprises a step of contacting a colored liquid and functional water generated by electrolysis of a water solution of an electrolyte under light irradiation, to decolorize efficiently and stably to a low chromaticity.