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. 30, 2012
Filed:
Aug. 29, 2007
Applicants:
Kotaro Sumitomo, Sijonawate, JP;
Masamitsu Takahashi, Sijonawate, JP;
Hidetoshi Fukuo, Yao, JP;
Inventors:
Assignee:
Sakura Color Products Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for producing a crayon having a desired hardness stably without poor gelation using a benzylidene sorbitol gelling agent together with the use of carbon black as a black pigment. The process comprises: