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:
Jan. 02, 2018
Filed:
Feb. 20, 2015
Applicant:
Mitsubishi Pencil Company, Limited, Shinagawa-ku, Tokyo, JP;
Inventor:
Satoru Banzai, Fujioka, JP;
Assignee:
MITSUBISHI PENCIL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 13/00 (2006.01); B43K 19/02 (2006.01); B43K 19/18 (2006.01); B43K 21/00 (2006.01); C09D 101/02 (2006.01); C09D 129/14 (2006.01); C09D 161/06 (2006.01); C08K 3/34 (2006.01); C08K 5/00 (2006.01); C08K 7/24 (2006.01);
U.S. Cl.
CPC ...
C09D 13/00 (2013.01); B43K 19/02 (2013.01); B43K 19/18 (2013.01); B43K 21/003 (2013.01); C09D 101/02 (2013.01); C09D 129/14 (2013.01); C09D 161/06 (2013.01); C08K 3/34 (2013.01); C08K 5/0041 (2013.01); C08K 7/24 (2013.01);
Abstract
Provided is a color pencil lead which is excellent in a hue, a light resistance and a strength and can be erased with an eraser and which is suited to pencil leads for mechanical pencils and wooden pattern holder pencils. The above color pencil lead is characterized by containing a resin in which a dye is dissolved or included in a pencil lead body.