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. 21, 1992
Filed:
Oct. 01, 1991
Shinichi Tochihara, Hadano, JP;
Makoto Aoki, Yokohama, JP;
Kumiko Mafune, Kawasaki, JP;
Osamu Nishiwaki, Atsugi, JP;
Kenji Aono, Kawasaki, JP;
Akira Nagashima, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink-jet recording process and apparatus employing ink that includes a recording agent and a liquid medium capable of dissolving or dispersing the recording agent, wherein said ink contains both a compound represented by the following Formula (I) and a compound represented by the following Formula (II): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent an alkyl group or a hydroxyalkyl group, and any one of them may represent a hydrogen atom; X.sup.- represents an inorganic acid ion; R.sub.4 and R.sub.5 each represent a group selected from a hydrogen atom, an alkyl group and a hydroxyalkyl group; and R.sub.6 represents a group selected from a carboxyl group, a hydroxyl group, a sulfone group, an alkyl group and a hydrogen atom. The ink is suitably used in the ink-jet recording.