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. 28, 2026
Filed:
Jul. 20, 2021
Applicant:
Société Bic, Clichy, FR;
Inventors:
Guillaume Caffier, Clichy, FR;
Wing Yam Liu, Clichy, FR;
Assignee:
SOCIÉTÉ BIC, Clichy, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/16 (2014.01); C09D 11/17 (2014.01); C09D 11/18 (2006.01); C09D 139/06 (2006.01);
U.S. Cl.
CPC ...
C09D 139/06 (2013.01); C09D 11/16 (2013.01); C09D 11/17 (2013.01); C09D 11/18 (2013.01);
Abstract
The present disclosure relates to pens comprising a non-aqueous writing ink comprising a solvent, a coloring agent, a resin, a gelling agent, and a homo or copolymer of vinylpyrrolidone, wherein the gelling agent is a mixture of silica particles and of a fatty acid amide wax, and wherein the homo or copolymer of vinylpyrrolidone is present in amounts of between about 0.05 and about 0.6 wt.-%, relative to the total weight of the ink.