公开(公告)号：US20230357035A1

公开(公告)日：2023-11-09

申请号：US18246411

申请日：2021-10-28

Applicant: Omya International AG

Inventor： Luis PEDROSO ,  Aaro SALONEN ,  Marc MAURER

IPC: C01F11/18

CPC classification number: C01F11/18

Abstract: The present invention relates to a process for producing an aqueous suspension of precipitated calcium carbonate, an aqueous suspension of precipitated calcium carbonate obtainable by the process, a precipitated calcium carbonate obtainable by the process, a product comprising the precipitated calcium carbonate as well as the use of the natural ground calcium carbonate (NGCC) in a process for producing an aqueous suspension of precipitated calcium carbonate.

公开(公告)号：US20250051539A1

公开(公告)日：2025-02-13

申请号：US18720627

申请日：2022-12-21

Applicant: OMYA INTERNATIONAL AG

Inventor： Matthias WELKER ,  Joris BARANGER ,  Karsten Udo SCHULZ ,  Tazio FORNERA ,  Luis PEDROSO

IPC: C08K3/26 ,  C08J3/20 ,  C08K9/04 ,  C09C1/02 ,  C09C3/00 ,  C09C3/04 ,  C09C3/08

Abstract: The present invention relates to a calcium carbonate-comprising material having a content of bio-based carbon determined according to DIN EN 16640:2017 of at least 50 wt.-%, based on the total weight of carbon in the calcium carbonate-comprising material, a process for the preparation of the calcium carbonate-comprising material, a polymer formulation comprising the calcium carbonate-comprising material, an article formed from the polymer formulation, a process for preparing the article as well as the use of the calcium carbonate-comprising material in a polymer formulation

公开(公告)号：US20240238795A1

公开(公告)日：2024-07-18

申请号：US18560255

申请日：2022-05-05

Applicant: Omya International AG

Inventor： Christoph RÖGELS ,  Luis PEDROSO

IPC: B02C17/16

CPC classification number: B02C17/163 ,  B02C2210/01

Abstract: Plate-shaped wear elements for milling means, in particular of agitator mills, having at least one inclined surface area, kits employing them, their uses and methods using them.

公开(公告)号：US20220106194A1

公开(公告)日：2022-04-07

申请号：US17428577

申请日：2020-02-14

Applicant: OMYA INTERNATIONAL AG

Inventor： Luis PEDROSO ,  Holger SPIEGEL ,  Mathieu SKRZYPCZAK

IPC: C01F11/18 ,  C09C1/02

Abstract: The present invention refers to a process for producing nano precipitated calcium carbonate (nano-PCC), as well as to the nano precipitated calcium carbonate (nano-PCC) obtained by such a process and a system for producing the nano precipitated calcium carbonate (nano-PCC) comprising at least one dry mill, preferably a dry sandmill. Furthermore, the present invention refers to the use of the nano precipitated calcium carbonate (nano-PCC) as well as to the use of the inventive system for producing nano precipitated calcium carbonate (nano-PCC).