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:
Dec. 03, 2013
Filed:
Aug. 17, 2006
Hannu Mikkonen, Rajamäki, FI;
Mauno Miettinen, Lappeenranta, FI;
Kirsi Kataja, Helsinki, FI;
Saija Luukkanen, Joensuu, FI;
Soili Peltonen, Rajamäki, FI;
Pia Qvintus-leino, Espoo, FI;
Hannu Mikkonen, Rajamäki, FI;
Mauno Miettinen, Lappeenranta, FI;
Kirsi Kataja, Helsinki, FI;
Saija Luukkanen, Joensuu, FI;
Soili Peltonen, Rajamäki, FI;
Pia Qvintus-Leino, Espoo, FI;
Valtion Teknillinen Tutkimuskeskus, Espoo, FI;
Abstract
A material which is suitable as filler or coating pigment for a fibrous web and a method for manufacturing thereof. According to the method, a feed comprising organic polymer material is cooled to at least approximately −50° C., after which it is refined in a jet refiner to a desired particle size. The present invention generates uniform pigment particles which comprise, for instance, starch esters, and which particles have a porous surface structure, in which case they are suitable for instance as coating pigments and fillers for offset and ink-jet papers.