公开(公告)号：US20230183491A1

公开(公告)日：2023-06-15

申请号：US18065905

申请日：2022-12-14

Applicant: OMYA INTERNATIONAL AG

Inventor： Pierre BLANCHARD ,  Jean-Pierre ELGOYHEN ,  Beat KARTH ,  Holger MULLER ,  Jurgen SPEHN ,  Martin BRUNNER ,  Pascal GONNON ,  Michael TINKL

IPC: C09D1/00 ,  C09C1/02 ,  C09C3/04 ,  D21H17/00 ,  D21H17/63 ,  D21H17/67 ,  D21H17/68 ,  D21H19/38 ,  D21H19/40 ,  D21H21/52 ,  B02C23/36 ,  C04B14/28 ,  C08K3/26 ,  C08K9/04 ,  D21H17/66

CPC classification number: C09D1/00 ,  C09C1/021 ,  C09C3/04 ,  D21H17/00 ,  D21H17/63 ,  D21H17/67 ,  D21H17/675 ,  D21H17/68 ,  D21H19/38 ,  D21H19/385 ,  D21H19/40 ,  D21H21/52 ,  B02C23/36 ,  C04B14/28 ,  C08K3/26 ,  C08K9/04 ,  D21H17/66 ,  Y10T428/2982 ,  Y10T428/2991 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2006/60 ,  C08K2003/265

Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to Me use of said mineral matter after an optional hydrophobic treatment. Said mineral material Having superior dispersing properties.

公开(公告)号：US20200010366A1

公开(公告)日：2020-01-09

申请号：US16482651

申请日：2018-01-31

Applicant: OMYA INTERNATIONAL AG

Inventor： Pascal GONNON ,  Alexandre BOUILLE

IPC: C04B28/04 ,  C04B24/26 ,  C04B14/06 ,  C04B14/28

Abstract: The present invention relates to the use of fine ground calcium carbonate having a weight median particle diameter d50 of 0.5-5 μm in combination with an inorganic pigment in concrete or mortar in order to improve the workability of the mixtures as well as the properties of the resulting cement-based products.