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. 12, 2016
Filed:
May. 22, 2008
Hideki Matsui, Himeji, JP;
Yoshiki Nakaie, Himeji, JP;
Hajime Komada, Himeji, JP;
DAICEL-EVONIK LTD., Tokyo, JP;
Abstract
Disclosed is a method for producing resin particles, which can impart a desired function to the surface of resin particles efficiently and simply. Also disclosed are resin particles produced by the method. The method produces resin particles by melting and mixing an acidic-group-containing thermoplastic resin or elastomer with filler particles and a water-soluble material to give a resin composition containing resin fine particles formed by the thermoplastic resin and the filler particles and dispersed in a matrix including the water-soluble material; and removing the matrix component from the resin composition, to give the resin particles. The resulting resin particles each include a core particle including the acidic-group-containing thermoplastic resin or elastomer, and the filler particles immobilized on the outside of the core particle. The acidic group is preferably carboxyl group or carboxylic anhydride group.