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:
Sep. 12, 2023
Filed:
Sep. 29, 2020
Applicant:
Sanford L.p., Atlanta, GA (US);
Inventor:
Wing Sum Vincent Kwan, Alpharetta, GA (US);
Assignee:
SANFORD, L.P., Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/17 (2014.01); C09D 11/16 (2014.01); B43K 8/00 (2006.01);
U.S. Cl.
CPC ...
C09D 11/17 (2013.01); B43K 8/003 (2013.01); C09D 11/16 (2013.01);
Abstract
Dry erase ink formulations containing a resin, a pre-assembled colorant, and a solvent, wherein the dry erase ink formulation has a surface tension of at least 25 dynes per centimeter, and writing instruments including a dry erase ink formulation are provided herein.