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.

Date of Patent:
Jun. 10, 2025

Filed:

Jan. 30, 2020
Applicant:

Quarzwerke Gmbh, Frenchen, DE;

Inventors:

Jörg Ulrich Zilles, Cologne, DE;

Max Kellermann, Wesseling, DE;

Paul Páez-Maletz, Frenchen, DE;

Assignee:

QUARZWERKE GmbH, Frenchen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/18 (2006.01);
U.S. Cl.
CPC ...
C01B 33/18 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/80 (2013.01);
Abstract

A process for treating crystalline silicon dioxide, comprising the step of grinding a crystalline silicon dioxide together with from 0.05 to 1.00% by weight of a substance selected from the group consisting of polyhydric alcohols, kaolin, aluminum alcoholates, and mixtures thereof.


Find Patent Forward Citations

Zilles, Jörg. (2025). Sequestering of crystalline silicon dioxide (U.S. Patent No. 12325640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12325640

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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