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:
Oct. 29, 2019
Filed:
Nov. 07, 2014
Applicant:
Staedtler Mars Gmbh & Co. KG, Nürnberg, DE;
Inventor:
Johannes Herbolsheimer, Trautskirchen, DE;
Assignee:
STAEDTLER MARS GMBH & CO. KG, Nürnberg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09D 13/00 (2006.01); C09D 5/06 (2006.01); C09D 125/06 (2006.01); C09D 125/12 (2006.01); C09D 7/63 (2018.01);
U.S. Cl.
CPC ...
C09D 13/00 (2013.01); C09D 5/06 (2013.01); C09D 7/63 (2018.01); C09D 125/06 (2013.01); C09D 125/12 (2013.01);
Abstract
A polymer-bound lead refill for writing, drawing and/or painting devices, in particular for pencils or colored pencils, including at least one binding agent, at least one wax, at least one coloring agent and at least one filling agent. The lead refill including at least one surfactant.