公开(公告)号：US11884551B2

公开(公告)日：2024-01-30

申请号：US16611157

申请日：2018-05-03

Applicant: RHODIA OPERATIONS

Inventor： Emmanuelle Allain Najman ,  Fabien Stocklouser ,  Pascaline Garbey ,  Caroline Fayolle ,  Sylvaine Neveu ,  Laurent Guy

IPC: C01B33/193 ,  B01J21/08 ,  B01J35/10 ,  C08K3/36

CPC classification number: C01B33/193 ,  B01J21/08 ,  B01J35/1014 ,  B01J35/1019 ,  C08K3/36 ,  C01P2002/54 ,  C01P2004/51 ,  C01P2006/12 ,  C01P2006/16 ,  C08K2201/005 ,  C08K2201/006

Abstract: A precipitated silica having a broad particle size distribution and large median particle size as well as its method of manufacture is provided. The precipitated silica has a CTAB surface area SCTAB in the range from 40 to 300 m2/g, a difference between BET surface area SBET and CTAB surface area SCTAB of at least 35 m2/g, a width of the particle size distribution Ld, measured by centrifugal sedimentation, of at least 1.5, an amount of aluminium WA1 in the range from 0.5 to 7.0 wt %, and a median particle size d50, measured by centrifugal sedimentation, such that for a given value of CTAB surface area SCTAB and amount of aluminium WAl, parameter A, defined by the following equation: A=|d50|+0.782×|SCTAB|−8.524×|WAl|.

公开(公告)号：US20240182312A1

公开(公告)日：2024-06-06

申请号：US18553723

申请日：2022-04-01

Applicant: RHODIA OPERATIONS

Inventor： Cédric Feral-Martin ,  Pascaline Lauriol-Garbey ,  Caroline Fayolle ,  Frédéric Colbeau-Justin

IPC: C01B33/18 ,  B29D30/00 ,  C08K3/36

CPC classification number: C01B33/18 ,  B29D30/00 ,  C08K3/36 ,  C01P2004/51 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/22 ,  C08K2201/003 ,  C08K2201/006

Abstract: A precipitated silica characterised by low silanol ratio. The precipitated silica is in particularly suitable for use as filler in elastomeric mixtures.

公开(公告)号：US20210087068A1

公开(公告)日：2021-03-25

申请号：US17111206

申请日：2020-12-03

Applicant: RHODIA OPERATIONS

Inventor： Emmanuelle Allain Najman ,  Cédric Feral-Martin ,  Pascaline Garbey ,  Laurent Guy ,  Sylvaine Neveu ,  Caroline Fayolle

IPC: C01B33/193

Abstract: A precipitated silica characterised by the presence of specific acid sites on its surface and a process for its manufacture.

公开(公告)号：US20230101064A1

公开(公告)日：2023-03-30

申请号：US17952078

申请日：2022-09-23

Applicant: RHODIA OPERATIONS

Inventor： Cédric Feral-Martin ,  Caroline Fayolle ,  Anne-Laure Pinault

IPC: A61K8/81 ,  A61K8/25 ,  A61K8/86 ,  A61K8/27 ,  A61K8/43 ,  A61K8/22 ,  A61Q11/00

Abstract: A modified precipitated silica comprising precipitated silica and at least one polymer selected from the group consisting of poly(ethylene glycol) methyl ether methacrylate and poly(vinylphosphonic acid) is useful for the manufacture of peroxide-based whitening oral care compositions having improved stability over time. It is also useful for the manufacture of elastomeric compositions having a performing balance of properties including e.g. high rolling resistance and/or high wear resistance.

公开(公告)号：US11554963B2

公开(公告)日：2023-01-17

申请号：US16611163

申请日：2018-05-03

Applicant: RHODIA OPERATIONS

Inventor： Emmanuelle Allain Najman ,  Cédric Feral-Martin ,  Pascaline Garbey ,  Laurent Guy ,  Sylvaine Neveu ,  Caroline Fayolle

IPC: C01B33/193 ,  B01J21/08

Abstract: A precipitated silica characterised by the presence of specific acid sites on its surface and a process for its manufacture.