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:
May. 12, 1987
Filed:
Oct. 30, 1985
Applicant:
Inventors:
Kunitaka Ozawa, Tokyo, JP;
Masahiro Haruta, Funabashi, JP;
Tsuyoshi Eida, Yokohama, JP;
Takashi Hamamoto, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 961 ; 2101951 ; 210196 ; 2101982 ; 210659 ; 106 20 ; 106 22 ; 106 23 ; 346 75 ; 3461 / ;
Abstract
An ink production system constructed with a dyestuff solution producing unit, a dyestuff solution processing unit by execution of chromatographic operations on the dyestuff solution, and an ink preparation unit to effect preparation of ink with the refined dyestuff solution as discharged from the processing unit.