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:
Jun. 16, 1998
Filed:
Jun. 06, 1996
Teruaki Fukasawa, Isezaki, JP;
Kabushiki Kaisha Pilot, Tokyo, JP;
Abstract
Water base ink compositions for directly filling in a ball-point pen comprising a dyestuff in the range of 3% to 10% by weight; a humectant in the range of 10% to 40% by weight; thixotropic agent in the range of 0.6% to 1.0% by weight, being composed of a cross-linkable acrylic acid polymer having a molecular weight ranging from 2,000,000 to 6,000,000; and water as a balance the water base ink compositions have no spinnability, tackiness tendency and possibility of drippings and runnings from a pen-point, and can be directly filled into a ball-point pen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile