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:
Oct. 10, 2017
Filed:
Oct. 15, 2013
Frank Menzel, Hanau, DE;
Tobias Banert, Hanau, DE;
Hubert Mueller, Frankfurt am Main, DE;
Matthias Geisler, Grosskrotzenburg, DE;
Thorsten Schultz, Hassenroth, DE;
Frank Menzel, Hanau, DE;
Tobias Banert, Hanau, DE;
Hubert Mueller, Frankfurt am Main, DE;
Matthias Geisler, Grosskrotzenburg, DE;
Thorsten Schultz, Hassenroth, DE;
EVONIK DEGUSSA GmbH, Essen, DE;
Abstract
A method for continuous production of a thermally insulating mixture comprising silica particles and opacifier particles, in which a premixed stream comprising a carrier gas, silica particles and opacifier particles is introduced into a fine impact mill, ground and mixed therein, after which the solid is separated from the gas stream, wherein the fine impact mill is an air-stream mill comprising grinding tracks arranged one above the other on a rotatable shaft.