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1. (WO2018219726) PROCESS FOR THE PRODUCTION OF ALKANESULFONIC ACIDS
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Pub. No.: WO/2018/219726 International Application No.: PCT/EP2018/063455
Publication Date: 06.12.2018 International Filing Date: 23.05.2018
IPC:
C07C 303/06 (2006.01) ,C07C 309/04 (2006.01) ,C07C 303/44 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
303
Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
02
of sulfonic acids or halides thereof
04
by substitution of hydrogen atoms by sulfo or halosulfonyl groups
06
by reaction with sulfuric acid or sulfur trioxide
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
309
Sulfonic acids; Halides, esters, or anhydrides thereof
01
Sulfonic acids
02
having sulfo groups bound to acyclic carbon atoms
03
of an acyclic saturated carbon skeleton
04
containing only one sulfo group
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
303
Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
42
Separation; Purification; Stabilisation; Use of additives
44
Separation; Purification
Applicants:
BASF SE [DE/DE]; Carl-Bosch-Strasse 38 67056 Ludwigshafen am Rhein, DE
Inventors:
SPIELMANN, Jan; DE
WORTMANN, Juergen; DE
BORGMEIER, Frieder; DE
ZEILINGER, Michael; DE
Agent:
LERCHE, Bernard; BASF IP Association BASF SE G-FLP - C006 67056 Ludwigshafen, DE
Priority Data:
17173574.930.05.2017EP
17173575.630.05.2017EP
Title (EN) PROCESS FOR THE PRODUCTION OF ALKANESULFONIC ACIDS
(FR) PROCÉDÉ DE PRODUCTION D'ACIDES ALCANESULFONIQUES
Abstract:
(EN) The present invention deals with a process for the production of alkanesulfonic acids, in particular methanesulfonic acid, and a method of purification of the raw products.
(FR) La présente invention concerne un procédé de production d'acides alcanesulfoniques, en particulier d'acide méthanesulfonique, et un procédé de purification de produits bruts.
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: English (EN)
Filing Language: English (EN)