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:
Jun. 15, 1999
Filed:
Jun. 22, 1998
Applicant:
Inventors:
Katsunori Kitazawa, Takasaki, JP;
Masaaki Hoshiba, Fujioka, JP;
Assignee:
Mitsubishi Pencil Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3111 ;
Abstract
A baked color pencil lead prepared by impregnating pores of a white or light-colored porous baked lead with a dye solution prepared by dissolving a dye in a mixed solvent of polyoxyethylene alkyl ether represented by the following Formula (1) and a low boiling point organic solvent, wherein polyoxyethylene alkyl ether contained in the dye solution is adjusted to 35 to 90% by weight, and then drying to remove the low boiling point organic solvent:
Kitazawa, Katsunori. (1999). Baked color pencil lead and process for producing the same (U.S. Patent No. 5911814). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5911814
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile