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:
Jan. 03, 2012
Filed:
Jan. 12, 2010
Karlheinrich Meisel, Odenthal, DE;
Bernd Thiele, Bensheim, DE;
Gerd-friedrich Renner, Kurten, DE;
Johan Kijlstra, Odenthal, DE;
Arno Nennemann, Bergisch Gladbach, DE;
Thomas Hubbe, Cologne, DE;
Lothar Puppe, Burscheid, DE;
Karlheinrich Meisel, Odenthal, DE;
Bernd Thiele, Bensheim, DE;
Gerd-Friedrich Renner, Kurten, DE;
Johan Kijlstra, Odenthal, DE;
Arno Nennemann, Bergisch Gladbach, DE;
Thomas Hubbe, Cologne, DE;
Lothar Puppe, Burscheid, DE;
Kemira Oyj, , FI;
Abstract
Use of silica sols containing sulfonic acid groups and/or mercapto groups as microparticles in paper production, in particular for paper retention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile