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. 23, 2001
Filed:
Jul. 09, 1999
Applicant:
Inventors:
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
Provided is a water based ink for a writing instrument comprising at least a colorant, a dispersant, water and a polar solvent, wherein the ink contains 0.5 to 20% by weight of dextrin or maltodextrin based on the weight of the whole ink. It has an excellent drying resistance.