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:
May. 16, 2023
Filed:
Mar. 09, 2018
Applicant:
Mitsubishi Pencil Company, Limited, Tokyo, JP;
Inventor:
Yumiko Haruhara, Yokohama, JP;
Assignee:
Mitsubishi Pencil Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/16 (2014.01); B43K 8/03 (2006.01); C09D 1/00 (2006.01); C09D 11/00 (2014.01); C09D 13/00 (2006.01); C09D 11/02 (2014.01);
U.S. Cl.
CPC ...
C09D 11/16 (2013.01); B43K 8/03 (2013.01);
Abstract
Provided is an oil-based ink composition for writing instruments which has good properties for writing on writing surfaces of various materials and which has improved friction resistance against friction from retracing of letters that have already been written and against stronger friction forces.
Haruhara, Yumiko. (2023). Oil-based ink composition for writing instrument (U.S. Patent No. 11649363). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11649363
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile