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1. (WO2018146210) METHOD FOR THE PURIFICATION OF NATURAL VANILLIN
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Pub. No.: WO/2018/146210 International Application No.: PCT/EP2018/053207
Publication Date: 16.08.2018 International Filing Date: 08.02.2018
IPC:
C07C 45/78 (2006.01) ,C07C 47/58 (2006.01) ,A23L 27/10 (2016.01) ,A23L 27/24 (2016.01) ,C12P 7/24 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
45
Preparation of compounds having CO groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
78
Separation; Purification; Stabilisation; Use of additives
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
47
Compounds having -CHO groups
52
Compounds having -CHO groups bound to carbon atoms of six-membered aromatic rings
575
containing ether groups, groups, groups, or groups
58
Vanillin
[IPC code unknown for A23L 27/10][IPC code unknown for A23L 27/24]
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
7
Preparation of oxygen-containing organic compounds
24
containing a carbonyl group
Applicants:
RHODIA OPERATIONS [FR/FR]; 25 rue de Clichy 75009 PARIS, FR
Inventors:
VIBERT, Martine; FR
ETCHEBARNE, Alain; FR
Agent:
MENVILLE, Laure; FR
MROSS, Stefan; FR
Priority Data:
175102108.02.2017FR
Title (EN) METHOD FOR THE PURIFICATION OF NATURAL VANILLIN
(FR) PROCEDE DE PURIFICATION DE LA VANILLINE NATURELLE
Abstract:
(EN) The present invention relates to a method for the purification of natural vanillin, comprising a step involving the stripping of a liquid flow F2 containing natural vanillin. The invention also relates to the natural vanillin that can be obtained using the method of the invention, as well as a device for purifying natural vanillin.
(FR) La présente invention concerne un procédé de purification de la vanilline naturelle comprenant une étape de stripping d'un flux liquide F2 comprenant de la vanilline naturelle. L'invention concerne également la vanilline naturelle susceptible d'être obtenue par le procédé selon l'invention ainsi qu'un dispositif pour purifier de la vanilline naturelle.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)