Process for the preparation of cement, mortars, concrete compositions containing a calcium carbonate-based filler treated with an ultrafine filler and a superplastifier, compositions and cement products obtained and their applications

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United States of America Patent

PATENT NO 9802861
SERIAL NO

14373491

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Abstract

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Process for the preparation of cement/mortar/concrete compositions or systems, (for simplicity hereafter “cement” compositions or systems or even “cements”), of a generally known type containing low or medium (standard) “filler(s)”, and/or optionally HP filler(s), as carbonate-based filler(s), namely coarse low or medium calcium carbonate(s), namely coarse marble(s); Product comprising, or consisting of, the pre-blend (A) of coarse, low or medium (or optionally HP) “calcium carbonate-based filler” pre-blended with at least an UF; Aqueous compositions (B) obtained by mixing the above pre-blend (A) of coarse filler(s) with UF(s) with an aqueous system such as mix water, aqueous mix fluid; Product (C) consisting of, or comprising, the pre-blend (A) or the compositions (B), treated or pretreated with at least one superplastifier or aqueous system containing superplastifier(s); Cement and Use of cement.

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Patent Owner(s)

Patent OwnerAddress
OMYA INTERNATIONAL AGBASLERSTRASSE 42 OFTRINGEN 4665

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gonnon, Pascal Villeneuve, FR 17 54
Skovby, Michael Meilen, CH 21 35

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