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. 18, 2024
Filed:
May. 24, 2019
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Pieter Jan Antoon Janssen, Geleen, NL;
Tamara Marijke Eggenhuisen, Geleen, NL;
Abraham Johan Van Veen, Geleen, NL;
Joshua Arie Van Den Bogerd, Geleen, NL;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;
Abstract
Method for the manufacture of a colored polymer composition comprising a polymer, a release agent and a colorant, the method comprising the steps of feeding a solid form of a release agent composition comprising said release agent and said colorant to a feed section of a melt mixing device, feeding said polymer to said melt mixing device and mixing said release agent composition and said polymer in said melt mixing device at a temperature above the melting temperature of said polymer, wherein—said colorant is a pigment, or a dye which is soluble in said release agent, —said polymer comprises or consists of polycarbonate, —the release agent is selected from the group consisting of penta-erythritol tetra stearate, glycerol monostearate, glycerol tristearate and mixtures thereof.