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:
Nov. 22, 2011
Filed:
Apr. 05, 2004
Ray Davenport, Greensboro, NC (US);
Charles Hunger, Ettingen, CH;
Ian William Knowles, Stockport, GB;
Terry Lloyd, Greensboro, NC (US);
Barry Mclow, Manchester, GB;
Heinz Schneider, Congleton, GB;
Ray Davenport, Greensboro, NC (US);
Charles Hunger, Ettingen, CH;
Ian William Knowles, Stockport, GB;
Terry Lloyd, Greensboro, NC (US);
Barry McLow, Manchester, GB;
Heinz Schneider, Congleton, GB;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a composition for controlling the bleed fastness of organic coloring pigments in paper coatings comprising a) 1 to 30% by weight, based on the total weight of the composition, of an organic coloring pigment, b) 1 to 20% by weight, based on the total weight of the composition, of one or more binders, c) 0 to 20% by weight, based on the total weight of the composition, of starch, d) 0 to 10% by weight, based on the total weight of the composition, of an anionic direct dye, e) 0 to 10% by weight, based on the total weight of the composition one or more auxiliaries and f) water to 100%, a method of application and use of the composition.