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:
Nov. 10, 2026

Filed:

Jun. 22, 2022
Applicant:

Hilti Aktiengesellschaft, Schaan, LI;

Inventors:

Markus Schönlein, Gilching, DE;

Friedlinde Goetz-Neunhoeffer, Erlangen, DE;

Julian Goergens, Erlangen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/06 (2006.01); C04B 14/28 (2006.01); C04B 14/48 (2006.01); C04B 22/06 (2006.01); C04B 22/14 (2006.01); C04B 22/16 (2006.01); C04B 24/06 (2006.01); C04B 103/10 (2006.01); C04B 103/20 (2006.01); C04B 111/00 (2006.01); C09K 8/467 (2006.01); E04B 1/41 (2006.01);
U.S. Cl.
CPC ...
C04B 28/06 (2013.01); C04B 14/28 (2013.01); C04B 14/48 (2013.01); C04B 22/062 (2013.01); C04B 22/147 (2013.01); C04B 22/165 (2013.01); C04B 24/06 (2013.01); C09K 8/467 (2013.01); E04B 1/4157 (2013.01); C04B 2103/10 (2013.01); C04B 2103/20 (2013.01); C04B 2111/00715 (2013.01);
Abstract

An inorganic mortar system includes a curable aluminous cement component A and an initiator component B for initiating the curing process, as well as a calcium carbonate with a crystalline calcite content determined by XRD of greater than 80% and a specific surface area of greater than 15 m/g in component A and/or component B. Component A further includes at least one blocking agent selected from the group consisting of boric acid, phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids, at least one accelerator, and water, and component B includes an activator, at least one retarder, at least one mineral filler, and water. Moreover, the calcium carbonate accelerates calcium aluminate cement hydration. A method for the chemical fastening of anchors and post-installed reinforcing bars in mineral substrates is developed.


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Schönlein, Markus. (2026). Use of a calcium carbonate of high purity and having a high specific surface area in an inorganic mortar system based on aluminous cement to accelerate calcium aluminate cement hydration (U.S. Patent No. 12790271). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12790271

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