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:
Jan. 10, 1984
Filed:
Jun. 15, 1981
Masatoshi Sugiyama, Minami-ashigara, JP;
Keiichi Adachi, Minami-ashigara, JP;
Eiichi Kato, Minami-ashigara, JP;
Akira Ogawa, Minami-ashigara, JP;
Shinichi Imai, Odawara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
Colored ink useful within an ink-jet printing device is disclosed. The ink is comprised of specifically disclosed yellow dyes, magenta dyes and cyan dyes within an aqueous ink composition. The use of the specific dyes within the aqueous ink composition prevents clogging within the nozzle of the ink-jet printer during operation or after operation has been restarted after a suspension of use of the printer. The ink composition has a high light-fastness characteristic, is not easily discolored by exposure to light and produces faithful color reproduction.