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:
Feb. 13, 2001
Filed:
Jul. 26, 1999
Applicant:
Inventor:
Olgierd Wasilewski, Edison, NJ (US);
Assignee:
Sun Chemical Corporation, Fort Lee, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 1/102 ; C09D / ;
U.S. Cl.
CPC ...
C09D 1/102 ; C09D / ;
Abstract
A printing ink composition is described which includes carbon black and an alkali metal hydroxide in combination with an alkenyl succinimide for the dispersion of the carbon black. Also disclosed is a method of preparing a carbon black printing ink composition which comprises dispersing the carbon black in a mineral oil in the presence of an alkali metal hydroxide and an alkenyl succinimide.