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Machine translation
1. (WO2004004903) PROCESS FOR PREPARING GEL-TYPE CATION EXCHANGERS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/004903    International Application No.:    PCT/US2003/021122
Publication Date: 15.01.2004 International Filing Date: 08.07.2003
IPC:
B01J 39/20 (2006.01), C08F 8/36 (2006.01)
Applicants: BAYER AKTIENGESELLSCHAFT [DE/DE]; 51368 Leverkursen (DE).
SYBRON CHEMICALS INC. [US/US]; 200 Birmingham Road, Birmingham, NJ 08011 (US)
Inventors: DIMOTSIS, George, L.; (US).
PODZSUN, Wolfgang; (DE).
KLIPPER, Reinhold; (DE).
SCHNEGG, Ulrich; (DE)
Agent: AKORLI, Godfried, R.; Bayer Chemicals Corporation, 100 Bayer Road, Pittsburgh, PA 15205-9741 (US)
Priority Data:
10/191,386 08.07.2002 US
Title (EN) PROCESS FOR PREPARING GEL-TYPE CATION EXCHANGERS
(FR) PROCEDE DE PREPARATION D'ECHANGEURS DE CATIONS DE TYPE GEL
Abstract: front page image
(EN)The invention relates to a process for preparing gel-type cation exchangers of high stability by sulfonation of crosslinked (meth) acrylic ester-containing bead polymers with sulfuric acid having a concentration of 90 to 95% in the absence of a swelling agent.
(FR)L'invention concerne un procédé destiné à préparer des échangeurs de cations de type gel à stabilité élevée par sulfonation de polymères en perles contenant de l'ester (méth)acrylique réticulés avec de l'acide sulfurique présentant une concentration comprise entre 90 et 95% en l'absence d'un agent gonflant.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NI, NO, NZ, OM, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)