公开(公告)号：US11820667B2

公开(公告)日：2023-11-21

申请号：US16971606

申请日：2019-02-20

Applicant: IMERTECH SAS

Inventor： Nigel V. Jarvis ,  Graham M. Pring ,  Desmond Charles Payton ,  Andrew Findlay ,  Matthew Cheeseman

IPC: C01F11/18 ,  C09D1/00 ,  D21H21/52 ,  D21H21/28 ,  D21H19/38

CPC classification number: C01F11/183 ,  C01F11/185 ,  C09D1/00 ,  D21H19/385 ,  D21H21/28 ,  D21H21/52 ,  C01P2004/45 ,  C01P2004/53 ,  C01P2006/12

Abstract: The present application relates to aqueous slurries comprising precipitated calcium carbonates having a bimodal particle size distribution with a first maximum in particle size distribution and a second maximum in particle size distribution, as well as methods for making them and their uses.