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    Process for the decarboxylative ketonization of fatty acids or fatty acid derivatives
    11.
    发明授权
    Process for the decarboxylative ketonization of fatty acids or fatty acid derivatives 有权

    公开(公告)号：US11091417B2

    公开(公告)日：2021-08-17

    申请号：US16326460

    申请日：2017-08-17

    Applicant: RHODIA OPERATIONS

    Inventor： Olivier Back ,  Rémy Leroy ,  Philippe Marion

    IPC: C07C45/48

    Abstract: The present invention is directed to a process for synthesizing an internal ketone K1 by decarboxylative ketonization reaction of a fatty acid, a fatty acid derivative or a mixture thereof in a liquid phase with a metal compound as catalyst in a reaction medium, said process being characterized in that a ketone K2 at liquid state, which is identical or similar to the ketone K1, is introduced into the reaction medium. The so-synthesized internal ketone K1 can be used for the preparation of a variety of end compounds, including surfactants having a twin-tail structure or a Gemini structure.

    Formulations for enhanced oil recovery comprising sulfonates
    15.
    发明授权
    Formulations for enhanced oil recovery comprising sulfonates 有权

    公开(公告)号：US10800962B2

    公开(公告)日：2020-10-13

    申请号：US15572401

    申请日：2016-05-04

    Applicant: RHODIA OPERATIONS

    Inventor： Olivier Back ,  Remy Leroy ,  Mikel Morvan ,  Patrick Moreau ,  Philippe Marion

    IPC: C09K8/584 ,  C07C309/07 ,  E21B43/16

    Abstract: Compositions suitable for enhanced oil recovery comprising a) a mixture of a-sulfocarbonyl compounds of formula (1) and (2) in a mixture ratio (1) to (2) of from 1:99 to 99:1 wherein R1, R3 and R5, which may be the same or different at each occurrence, are hydrogen or a linear or branched alkyl chain having 1 to 20 carbon atoms, R2 and R4, which may be the same or different at each occurrence, may be a linear or branched alkyl group having 4 to 24 carbon atoms and in which the alkyl chain may comprise one or more cycloaliphatic groups, and X is H or a metal forming a salt with the sulfonate group, and b) a salt containing aqueous solution.

    Process for the manufacture of an amino ester
    17.
    发明授权
    Process for the manufacture of an amino ester 有权

    公开(公告)号：US10266483B2

    公开(公告)日：2019-04-23

    申请号：US15037446

    申请日：2014-11-18

    Applicant: RHODIA OPERATIONS

    Inventor： Philippe Marion ,  Didier Morvan

    IPC: C07C253/30 ,  C07C227/04 ,  C08G69/44

    Abstract: Process for the manufacture of an amino ester of formula (I) R1—O—C(O)—(CH2)n—NH2 (I) in which n is an integer from 10 to 15 from an unsaturated ester responding to formula (II) R1—O—C(O)—(CH2)m—CH═CH—R2 (II) in which R1 is either H or a saturated alkyl group containing from 1 to 5 carbon atoms; R2 is either H or an alkyl group containing from 1 to 10 carbon atoms, either saturated or containing 1 or 2 unsaturations and bearing optionally a hydroxyl, a carboxylic or an ester group, and m is equal to 7, 8, 9, 10 or 11; said process comprising: submitting the unsaturated ester of formula (II) to a catalytic cross-metathesis reaction with a pentenenitrile chosen among 2-pentenenitrile or 3-pentenenitrile in order to obtain a ester-nitrile responding to formula (III) R1—O—C(O)—(CH2)m—CH═CH—(CH2)p—CN (III) in which m is equal to 7, 8, 9, 10 or 11 and p is equal to 0 or 1, and submitting the obtained ester-nitrile of formula (III) to an hydrogenation in order to obtain the amino ester of formula (I).

    Optimized process for extraction of ferulic acid with pretreatment
    18.
    发明授权
    Optimized process for extraction of ferulic acid with pretreatment 有权

    公开(公告)号：US10202328B2

    公开(公告)日：2019-02-12

    申请号：US14892790

    申请日：2014-05-19

    Applicant: RHODIA OPERATIONS

    Inventor： Denis Revelant ,  Stephanie Foucher ,  Dominique Horbez ,  Philippe Marion

    IPC: C07C51/47 ,  C07C51/00 ,  C07C51/43 ,  C07C51/48 ,  C12P7/62

    Abstract: A process for extraction of ferulic acid present in an aqueous phase, obtained by treatment of at least one plant material, and also containing polysaccharides, is described, said process comprising at least the following steps: 1) the treatment of said plant material followed by a solid/liquid separation to recover a solid phase and an aqueous liquid phase comprising the ferulic acid and said polysaccharides, 2) the treatment of said liquid phase to selectively separate, on the one hand, the polysaccharides and, on the other hand, the ferulic acid present in an aqueous fraction, 3) the concentration of said aqueous fraction containing the ferulic acid so as to recover a ferulic acid-concentrated stream, 4) the recovery of the ferulic acid in solid form.

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