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:
Dec. 26, 1995
Filed:
May. 05, 1994
Hiroshi Takimoto, Kanagawa, JP;
Tomio Yoneyama, Kanagawa, JP;
Hideo Sano, Kanagawa, JP;
Yukichi Murata, Kanagawa, JP;
Masahiro Yamada, Tokyo, JP;
Mitsubishi Kasei Corporation, Tokyo, JP;
Abstract
A recording liquid excellent in print quality, light resistance, and water resistance which is characterized in that it contains an aqueous medium and at least one dye selected from the dyes represented by general formulae [I] to [V]: ##STR1## (wherein R.sub.1 and R.sub.2 each represents H, CH.sub.3, or OCH.sub.3 ; R.sub.3 represents H, Cl,CH.sub.3, or OCH.sub.3 ; R.sub.4 represents an alkyl group having 1 to 6 carbon atoms, a phenyl group, a tolyl group, or an anisyl group; R.sub.5 represents H, a phenyl group which may be substituted with a COOM group, or an alkyl group having 1 to 3 carbon atoms which is substituted with a COOM group; R.sub.6 represents H or an alkyl group having 1 to 3 carbon atoms which is substituted with a COOM group; X represents SO.sub.3 M or COOM; Y represents --CO-- or --SO.sub.2 --; m represents 1 or 2; n represents 0 or 1; A represents a phenylene group which may have one or more members selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an amino group, a --COOM group, a hydroxyl group, an --SO.sub.3 M group, and a halogen atom; and M represents an alkali metal, an ammonium group, or an organic amine salt.)