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:
Jul. 29, 2003
Filed:
May. 10, 2001
Applicant:
Inventors:
Masaru Miyamoto, Yokohama, JP;
Katsuhiko Shiraishi, Yokohama, JP;
Yoji Takeuchi, Yokohama, JP;
Tadashi Kamagata, Yokohama, JP;
Assignee:
Mitsubishi Pencil Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 1/100 ;
U.S. Cl.
CPC ...
C09D 1/100 ;
Abstract
A water based ink composition for a writing instrument comprising at least a colorant, water and a liquid medium, wherein reduced maltooligosaccharide and/or reduced isomaltooligosaccharide are added in a proportion of 0.5 to 20% by weight based on the total amount of the ink composition.