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:
Jun. 09, 2015
Filed:
Nov. 07, 2012
Franco Federici, Busto Arsizio, IT;
Vittorio Betti, Castronno, IT;
Thierry Bossi, Azzio, IT;
Christian Parisi, Milan, IT;
Riccardo Vago, Arcisate, IT;
Giovanni Floridi, Novara, IT;
Giuseppe LI Bassi, Gavirate, IT;
Franco Federici, Busto Arsizio, IT;
Vittorio Betti, Castronno, IT;
Thierry Bossi, Azzio, IT;
Christian Parisi, Milan, IT;
Riccardo Vago, Arcisate, IT;
Giovanni Floridi, Novara, IT;
Giuseppe Li Bassi, Gavirate, IT;
LAMBERTI SPA, Alizzate, IT;
Abstract
The present invention concerns aqueous polymer compositions comprising a water soluble hydrophilic polymer with poly(ethylene oxide) content higher than 50% by weight and a polyacrylic thickener containing sulfonic groups. The aqueous polymer compositions of the invention are useful as deflocculants, rheology modifiers and water retention agents for paper coating compositions.