公开(公告)号：US20150119606A1

公开(公告)日：2015-04-30

申请号：US14398981

申请日：2013-05-06

Applicant: RHODIA OPERATIONS ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)

Inventor： Matthieu Corbet ,  Pascal Metivier ,  Floryan Decampo

IPC: C07C45/54

CPC classification number: C07C45/54 ,  C07C47/58 ,  C07C47/565 ,  C07C47/575

Abstract: Disclosed is a process to produce vanillin or vanillin derivatives carrying out a one-step reaction starting from guaiacol or guaiacol derivatives and at least a superacid.

Abstract translation: 公开了一种从愈创木酚或愈创木酚衍生物和至少一种超强酸开始制备出一步反应的香草醛或香草醛衍生物的方法。

公开(公告)号：US10590060B2

公开(公告)日：2020-03-17

申请号：US16472716

申请日：2017-06-30

Applicant: RHODIA OPERATIONS ,  LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  UNIVERSITE DE POITIERS

Inventor： Alban Chappaz ,  Francois Jerome ,  Karine De Oliveira Vigier ,  Eric Muller ,  Jonathan Lai ,  Matthieu Corbet ,  Didier Morvan

IPC: C07C67/29 ,  C07C69/716 ,  B01J31/22

Abstract: A process for synthesizing at least one levulinate ester, said process comprising the reaction of furfuryl alcohol with at least one other alcohol in the presence of water and at least one catalyst, said furfuryl alcohol being present in a quantity of at least 5% by weight, based on the total weight of the alcohols, and said catalyst comprising at least one triflate ligand and at least one metal selected from bismuth, gallium, aluminum, tin and iron.

公开(公告)号：US20220235200A1

公开(公告)日：2022-07-28

申请号：US17722188

申请日：2022-04-15

Applicant: RHODIA OPERATIONS

Inventor： Pascaline Garbey ,  Philippe Marion ,  Matthieu Corbet ,  Frédéric Colbeau-Justin ,  Thomas Galeandro-Diamant

IPC: C08K9/06 ,  C08L25/10

Abstract: A modified silica comprising organic molecules absorbed on the surface of a precipitated silica is provided. The modified silica is particularly suitable for use as filler in elastomeric mixtures as it provides improvement in the processing of the silica/elastomer mixtures. A process for preparing the precipitated silica is also provided.