公开(公告)号：US20240409418A1

公开(公告)日：2024-12-12

申请号：US18703378

申请日：2022-10-17

Applicant: Evonik Operations GmbH

Inventor： Agnieszka OCHENDUSZKO ,  Andre WEHMEIER ,  Rainer LAMANN ,  Christian PANZ

IPC: C01B33/193 ,  C08K3/36

Abstract: The invention relates to precipitated silicas having the following physicochemical parameters: CTAB 50 m2/g-450 m2/g. BET/CTAB ratio

公开(公告)号：US20230264964A1

公开(公告)日：2023-08-24

申请号：US18004139

申请日：2021-07-05

Applicant: Evonik Operations GmbH

Inventor： Herbert THOMA ,  Dominik MASCHKE ,  Rainer LAMANN ,  Roland KRAFCZYK ,  Andre WEHMEIER ,  Caren ROEBEN ,  Olga KUFELT ,  Anke BLUME

IPC: C01B33/18 ,  C08K3/36 ,  C08K9/04

CPC classification number: C01B33/18 ,  C08K3/36 ,  C08K9/04 ,  C01P2006/12 ,  C08K2201/006 ,  C01P2006/14 ,  C01P2004/51 ,  C01P2006/80

Abstract: Modified silicas, having the following physicochemical parameters: a CTABmod of 0.5% by weight, a modemod from CPS particle size determination of >50 nm, a d75mod from CPS particle size determination of 20-150 nm, a Rmin from Hg pore size determination, pressurized of