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:
Apr. 29, 2025
Filed:
Jun. 10, 2020
Applicant:
Holcim Technology Ltd, Zug, CH;
Inventors:
Eric Brouard, Holderbank, CH;
Olivier Watt, Holderbank, CH;
Delphine Thomas, Holderbank, CH;
Antoine Creyx, Holderbank, CH;
Assignee:
HOLCIM TECHNOLOGY LTD, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/08 (2005.12); C04B 18/12 (2005.12); C04B 24/00 (2005.12); C04B 24/26 (2005.12); C04B 24/32 (2005.12); C04B 24/38 (2005.12); C04B 28/04 (2005.12); C04B 40/00 (2005.12); C04B 103/32 (2005.12); C04B 103/50 (2005.12); C04B 111/00 (2005.12);
U.S. Cl.
CPC ...
C04B 28/08 (2012.12); C04B 18/12 (2012.12); C04B 24/003 (2012.12); C04B 24/2647 (2012.12); C04B 24/32 (2012.12); C04B 24/38 (2012.12); C04B 28/04 (2012.12); C04B 40/0042 (2012.12); C04B 2103/32 (2012.12); C04B 2103/50 (2012.12); C04B 2111/00724 (2012.12);
Abstract
A process of preparing a cemented paste backfill material, the material including ground mine tailings, a hydraulic binder and water, wherein the solids content of the backfill material is 70-82 wt.-%, the process including a) providing a dry premix, the premix including the hydraulic binder, a superplasticizer and optionally a defoaming agent, b) mixing the dry premix with the ground mine tailings and water.