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. 22, 1988
Filed:
Nov. 06, 1985
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; G01D / ; G01D / ;
U.S. Cl.
CPC ...
106 20 ; 106 22 ; 346101 ;
Abstract
A liquid composition is provided which contains a water-soluble dye and a solvent, and the liquid composition has a total concentration of divalent and higher valent metals at 20 ppm or less, and a magnesium concentration is preferably 4 ppm or less. An ink-jet recording method employing the ink comprising the above-mentioned liquid composition is also provided.