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. 16, 2015
Filed:
Dec. 20, 2011
Andreas Seidel, Dormagen, DE;
Hans-jurgen Thiem, Dormagen, DE;
Reiner Rudolf, Langenfeld, DE;
Joerg Reichenauer, Krefeld, DE;
Thomas Eckel, Dormagen, DE;
Andreas Seidel, Dormagen, DE;
Hans-Jurgen Thiem, Dormagen, DE;
Reiner Rudolf, Langenfeld, DE;
Joerg Reichenauer, Krefeld, DE;
Thomas Eckel, Dormagen, DE;
BAYER MATERIALSCIENCE AG, Leverkusen, DE;
Abstract
A masterbatch comprising pigment and demolding agent is provided. The demolding agent is selected from the group comprising low molecular weight polyolefin oils, low molecular weight polyolefin waxes, montan waxes and aliphatic or aromatic carboxylic acid esters of fatty acids and/or fatty alcohols, wherein the pigment content of the masterbatch is from 3 to 70 wt. %, based on the total weight of the masterbatch. The masterbatch is suitable for preparation of a polymer composition having improved pigment dispersion.