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:
Feb. 18, 2003
Filed:
May. 27, 1997
Mamoru Sakaki, Yamato, JP;
Eiichi Suzuki, Asaka, JP;
Masato Katayama, Yokohama, JP;
Yutaka Kurabayashi, Tokorozawa, JP;
Akio Kashiwazaki, Yokohama, JP;
Mifune Hirose, Machida, JP;
Katsuhiko Takahashi, Yokohama, JP;
Kenichi Moriya, Tokyo, JP;
Yuko Nishioka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a recording method for image formation on a recording medium by application thereon of an ink containing a water-soluble dye having an anionic group or a cationic group in the molecule: the recording medium comprising a substance having an ionic group counter to the anionic or cationic group of the water-soluble dye and having molecular weight of not higher than 1,000, and a polymeric substance having molecular weight of not lower than 2,000.