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:
May. 10, 2005
Filed:
Jun. 20, 2002
Luc Leenders, Mortsel, BE;
Eddie Daems, Mortsel, BE;
Frank Louwet, Mortsel, BE;
Rafaël Samijn, Mortsel, BE;
Jean-pierre Tahon, Mortsel, BE;
Roger Van Den Bogaert, Schoten, BE;
Luc Leenders, Mortsel, BE;
Eddie Daems, Mortsel, BE;
Frank Louwet, Mortsel, BE;
Rafaël Samijn, Mortsel, BE;
Jean-Pierre Tahon, Mortsel, BE;
Roger Van den Bogaert, Schoten, BE;
Agfa-Gevaert, Mortsel, BE;
Abstract
A non-dye containing flexographic ink containing a polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion and a latex binder in a solvent or aqueous medium, characterized in that the polymer or copolymer of a 3,4-dialkoxythiophene is present in a concentration of at least 0.1% by weight in the ink and that the ink is capable of producing a colorimetrically additive transparent print; a method of preparing the flexographic ink; and a flexographic printing process therewith.