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. 20, 1999
Filed:
Jun. 27, 1997
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Pilot, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3136 ; 106 3138 ; 106 3143 ; 106 3158 ;
Abstract
There is provided an ink capable of being used in a ballpoint pen, the ink comprising: 2 to 10% by weight of a dye, 20 to 30% by weight of a wetting agent, 5 to 10% by weight of urea, 0.2 to 0.4% by weight of cross-linked acrylic acid polymer, 0.05 to 0.2% by weight of xanthan gum, 1.0 to 5.0% by weight of sorbitol, and the balance, water.
Fukasawa, Teruaki. (1999). Direct filling ink capable of being used for a ballpoint pen containing (U.S. Patent No. 5925175). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5925175
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile