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:
Dec. 03, 1996
Filed:
Jul. 18, 1995
Applicant:
Inventors:
Shigeru Okumura, Yokohama, JP;
Shigeru Miyazaki, Yokohama, JP;
Assignee:
Mitsubishi Pencil Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106 / ;
Abstract
An aqueous ink composition for ball point pens is disclosed herein which comprises 2,5-dimercapto-1,3,4-thiadiazole or its salt, a colorant, water and a water-soluble organic solvent. The aqueous ink composition for ball point pens of the present invention is excellent in lubricating properties, can control ball sinkage, and can give a smooth writing feeling.
Okumura, Shigeru. (1996). Aqueous ink composition for ball point pen (U.S. Patent No. 5580374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5580374
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile