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:
May. 20, 2008
Filed:
Jun. 10, 2004
Atsushi Suzuki, Minamiashigara, JP;
Nobuyuki Ichizawa, Minamiashigara, JP;
Yoshiro Yamashita, Ebina, JP;
Atsushi Suzuki, Minamiashigara, JP;
Nobuyuki Ichizawa, Minamiashigara, JP;
Yoshiro Yamashita, Ebina, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
Ink jet recording method and apparatus is provided in which a color image is recorded by discharging, onto a recording medium, a black ink and at least one of a cyan ink, a magenta ink and a yellow ink from a black-ink recording head that ejects the black ink onto the recording medium, and a color-ink recording head that ejects the at least one of a cyan ink, a magenta ink and a yellow ink onto the recording medium, wherein the black ink contains carbon black, water, a water-soluble organic solvent, and a water-soluble polymer having an anionic functional group, and has a drying time of 5 seconds or more on the recording medium, and at least one type of the color ink contains a color material, water, a water-soluble organic solvent, and a coagulating agent, and has a drying time of 5 seconds or less on the recording medium.