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. 01, 2014
Filed:
Dec. 11, 2008
Patrick A. C. Gane, Rothrist, CH;
Matthias Buri, Rothrist, CH;
René Vinzenz Blum, St. Urban, CH;
Catherine Jean Ridgway, Mühlethal, CH;
Patrick A. C. Gane, Rothrist, CH;
Matthias Buri, Rothrist, CH;
René Vinzenz Blum, St. Urban, CH;
Catherine Jean Ridgway, Mühlethal, CH;
Omya International AG, Oftringen, CH;
Abstract
The present invention relates to composites comprising inorganic micro pigments and/or fillers in the form of surface-phosphated microparticles, whose surface is at least partially coated with finely divided with alkaline earth carbonate nanoparticles by means of binders based on copolymers comprising as the monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines and epichlorohydrin, a method for producing such composites, aqueous slurries thereof and the use thereof in papermaking or in the field of production of paints and plastics as well as the use of the binders for the coating of microparticles with nano alkaline earth carbonate.