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:
Apr. 05, 2011
Filed:
Sep. 05, 2006
Applicants:
Marc Leduc, Mannheim, DE;
Oliver Koch, Eppelheim, DE;
Simon Champ, Ludwigshafen, DE;
Rainer Blum, Mannheim, DE;
Andreas Merkel, Bad Duerkheim, DE;
Knut Menke, Roemerberg, DE;
Inventors:
Marc Leduc, Mannheim, DE;
Oliver Koch, Eppelheim, DE;
Simon Champ, Ludwigshafen, DE;
Rainer Blum, Mannheim, DE;
Andreas Merkel, Bad Duerkheim, DE;
Knut Menke, Roemerberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 21/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for the production of paper, board and cardboard by draining a paper stock with sheet formation in the presence of a retention aid system comprising