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:
Sep. 19, 1995
Filed:
Feb. 23, 1994
Applicant:
Inventors:
Kumiko Mafune, Kawasaki, JP;
Tsuyoshi Eida, Yokohama, JP;
Keiichi Murai, Yokohama, JP;
Yoshifumi Hattori, Yamato, JP;
Mayumi Yamamoto, Tokyo, JP;
Osamu Nishiwaki, Atsugi, JP;
Yoshihisa Takizawa, Kawasaki, JP;
Takao Yamamoto, Isehara, JP;
Akira Nagashima, Tokyo, JP;
Masahiko Tonogaki, Tokyo, JP;
Shinichi Sato, Kawasaki, JP;
Ryuji Katsuragi, Tokyo, JP;
Mikio Sanada, Yokohama, JP;
Hisashi Teraoka, Yokohama, JP;
Eriko Saito, Fujisawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106 / ; 106 / ;
Abstract
Disclosed herein is an ink comprising a coloring material and a liquid medium dissolving the coloring material therein, wherein the ink comprises a dye having at least one ammonium ion as a counter ion and an ammonium salt of an inorganic or organic acid.