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:
Oct. 19, 1993
Filed:
Dec. 06, 1991
Masahiro Otsuka, Osaka, JP;
Orient Chemical Industries, Ltd., Osaka, JP;
Abstract
A magenta toner for developing electrostatic images which comprises a resin and at least one kind of the dis-azo dye represented by the following formula [I]: ##STR1## wherein X represents methyl group, ethyl group or alkoxy group having 1 to 4 carbon atoms; Y represents hydrogen atom or methyl group; R.sup.1 and R.sup.2 independently represent hydrogen atom, alkyl group, alkoxy group or halogen atom; Q and Q' represent naphthol AS residue. This magenta toner is good in transparency, color fastness to light, heat resistance, bleeding resistance and spectral property and offers good color reproduction as a toner for full-color images. A colored resin, a colored molded resin member and a color filter dyed with at least one kind of the dis-azo dye represented by Formula [I], These are good in color fastness to light, bleeding resistance, heat resistance, transparency, spectral property and durability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile