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. 26, 2013
Filed:
Sep. 15, 2005
Erich Krumbacher, Ludwigshafen, DE;
Norbert Willenbacher, Kirchheimbolanden, DE;
Oliver Birkert, Fussgoennheim, DE;
Martin Schachtl, Buch am Erlbach, DE;
Christoph Hamers, Ludwigshafen, DE;
Martin Tietz, Heidenheim, DE;
Uwe Froehlich, Langenau, DE;
Erich Krumbacher, Ludwigshafen, DE;
Norbert Willenbacher, Kirchheimbolanden, DE;
Oliver Birkert, Fussgoennheim, DE;
Martin Schachtl, Buch am Erlbach, DE;
Christoph Hamers, Ludwigshafen, DE;
Martin Tietz, Heidenheim, DE;
Uwe Froehlich, Langenau, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for the production of singly and/or multiply coated paper and/or board, except for photographic papers and self-adhesive labeling papers, which are particularly suitable for printing, packaging and inscription, is described. The substrate, for example base paper or board, is coated once or several times with a free-falling liquid curtain, the coating liquid having in particular an extensional viscosity of from 1 to 1000 Pa·s at a Hencky strain of from 1 to 15.