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. 23, 1997
Filed:
Apr. 09, 1996
Applicant:
Inventors:
Hidemasa Sawada, Gifu, JP;
Jun Sakai, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106 / ; 106 / ; 106 / ; 106 / ;
Abstract
A hot melt ink includes at least one wax substance having a melting point at a temperature ranging from 50.degree. C. to 150.degree. C. and a coloring agent substantially free of insoluble ingredients not soluble in the at least one wax substance. By removing insoluble ingredients from the coloring agent, for example by filtration, a hot melt ink is obtained that does not clog the printing head.