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:
Sep. 29, 2020
Filed:
Jul. 03, 2012
Sylvia Monsheimer, Haltern am See, DE;
Wolfgang Diekmann, Waltrop, DE;
Franz-erich Baumann, Duelmen, DE;
Sigrid Hessel-geldmann, Haltern am See, DE;
Kristiane Warnke, Recklinghausen, DE;
Heike Stemmer, Haltern am See, DE;
Stefan Altkemper, Dorsten, DE;
Sylvia Monsheimer, Haltern am See, DE;
Wolfgang Diekmann, Waltrop, DE;
Franz-Erich Baumann, Duelmen, DE;
Sigrid Hessel-Geldmann, Haltern am See, DE;
Kristiane Warnke, Recklinghausen, DE;
Heike Stemmer, Haltern am See, DE;
Stefan Altkemper, Dorsten, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
Composite particles comprising core particles completely or partially coated with a precipitated polymer, where the dmedian diameter of the core particles is from 3 to 100 μm and wherein the glass core particle material is at least one selected from the group consisting of a solid glass bead, a hollow glass bead, a porous glass bead, and a foamed glass particle. A method to prepare the particles includes dissolution of a polymer in a solvent and precipitation of the polymer in the presence of a suspension of the core glass particles. Further provided is a layer by layer moulding process employing the composite particles and mouldings obtained therefrom.