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.

Date of Patent:
Jul. 24, 2001

Filed:

Jan. 06, 2000
Applicant:
Inventors:

Masaru Miyamoto, Yokohama, JP;

Shigeru Miyazaki, Yokohama, JP;

Yoji Takeuchi, Yokohama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 1/100 ;
U.S. Cl.
CPC ...
C09D 1/100 ;
Abstract

Provided is an ink composition comprising at least a colorant and water, wherein the ink composition further contains 0.5 to 15% by weight of reduced dextrin or reduced maltodextrin based on the total weight of the ink composition. It is a water based ink composition for a ball point pen which is excellent in dryout resistance and is safe and which does not cause a fluctuation in a viscosity and a pH with the passage of time.


Find Patent Forward Citations

Miyamoto, Masaru. (2001). Water based ink composition for writing instrument (U.S. Patent No. 6264729). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6264729

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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