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:
Mar. 13, 2012
Filed:
Apr. 20, 2004
Method for improving printability on paper or paper products with the aid of ink-jet printing method
Friedrich Linhart, Heidelberg, DE;
Rudi Mulder, Voorthuisen, NL;
Andreas Hopf, Dahn, DE;
Klaus Bohlmann, Ludwigshafen, DE;
Friedrich Linhart, Heidelberg, DE;
Rudi Mulder, Voorthuisen, NL;
Andreas Hopf, Dahn, DE;
Klaus Bohlmann, Ludwigshafen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for improving the printability of paper and paper products by enhancing the water resistance of ink-jet printed images, wherein the process comprises treating the paper or paper products with aqueous solutions of cationic polymers comprising vinylamine units and having a charge density of at least 3 meq/g as the sole treatment composition in aqueous solution, wherein the sole treatment composition is applied in an amount from 0.05 to 5 g/mto the surface of the paper or the surface of the paper product.