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:
Jul. 11, 2006
Filed:
Apr. 24, 2003
Applicants:
Stephen John Coughlin, Muirhead, GB;
Iain Frank Fraser, Kilbirnie, GB;
Thomas Healy, Paisley, GB;
Stuart Cook Niven, Irvine, GB;
Inventors:
Stephen John Coughlin, Muirhead, GB;
Iain Frank Fraser, Kilbirnie, GB;
Thomas Healy, Paisley, GB;
Stuart Cook Niven, Irvine, GB;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 69/02 (2006.01); C09B 67/22 (2006.01); C09B 67/08 (2006.01); C09D 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pigment composition comprising an organic pigment and a combination of at least two normally water-soluble coloured compounds (dyes) of opposing charge, i.e. of at least one anionic and one cationic dye are provided. The compositions impart improved rheology on non-aqueous pigment based printing inks and paints.