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Machine translation
1. (WO2005009917) REDUCING AGENT FOR THE SOLUBLE CHROMATE CONTENT OF CEMENT AND METHODS FOR THE PRODUCTION THEREOF
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/009917    International Application No.:    PCT/EP2004/007940
Publication Date: 03.02.2005 International Filing Date: 16.07.2004
Chapter 2 Demand Filed:    17.05.2005    
IPC:
C01B 17/90 (2006.01), C01G 23/053 (2006.01), C01G 49/14 (2006.01), C04B 22/14 (2006.01), C04B 28/02 (2006.01), C22B 7/04 (2006.01)
Applicants: KERR-MCGEE PIGMENTS GMBH [DE/DE]; Rheinuferstrasse 7-9, Geb. N 215, 47829 Krefeld (DE) (For All Designated States Except US).
VÖSSING, Michael [DE/DE]; (DE) (For US Only).
AUER, Gerhard [DE/DE]; (DE) (For US Only).
LAUBACH, Benno [DE/DE]; (DE) (For US Only).
KLEIN, Detlef [DE/DE]; (DE) (For US Only).
SCHUY, Werner [DE/DE]; (DE) (For US Only).
KÖLLISCH, Klaus [DE/DE]; (DE) (For US Only).
WEISS, Erwin [DE/DE]; (DE) (For US Only).
BAHL, Werner [DE/DE]; (DE) (For US Only).
REESE, Philip [NZ/NZ]; (NZ) (For US Only)
Inventors: VÖSSING, Michael; (DE).
AUER, Gerhard; (DE).
LAUBACH, Benno; (DE).
KLEIN, Detlef; (DE).
SCHUY, Werner; (DE).
KÖLLISCH, Klaus; (DE).
WEISS, Erwin; (DE).
BAHL, Werner; (DE).
REESE, Philip; (NZ)
Agent: HOFFMANN EITLE; Arabellastrasse 4, 81925 München (DE)
Priority Data:
103 32 530.1 17.07.2003 DE
Title (DE) REDUKTIONSMITTEL FÜR DEN LÖSLICHEN CHROMATGEHALT IN ZEMEMT UND VERFAHREN FÜR SEINE HERSTELLUNG
(EN) REDUCING AGENT FOR THE SOLUBLE CHROMATE CONTENT OF CEMENT AND METHODS FOR THE PRODUCTION THEREOF
(FR) AGENT DE REDUCTION DESTINE AUX CHROMATES SOLUBLES PRESENTS DANS DU CIMENT ET PROCEDES DE PRODUCTION DUDIT AGENT DE REDUCTION
Abstract: front page image
(DE)Die Erfindung betrifft ein Reduktionsmittel für den löslichen Chromatgehalt in Zement und Verfahren für seine Herstellung, umfassend die Aufkonzentrierung einer eisen(II)sulfathaltigen Gebrauchtschwefelsäure und die Abtrennung der Schwefelsäure von der erhaltenen eisen(II)sulfathaltigen Ausfällung.
(EN)The invention relates to a reducing agent for the soluble chromate content of cement and to methods for the production thereof, which comprise concentrating an used sulfuric acid, containing iron(II) sulfate, and separating the sulfuric acid from the obtained precipitate which contains iron(II) sulfate.
(FR)L'invention concerne un agent de réduction destiné aux chromates solubles présents dans du ciment. Elle concerne également des procédés de production dudit agent de réduction, consistant à concentrer un acide sulfurique utilisé, qui contient du sulfate de fer (II), et à séparer l'acide sulfurique du précipité obtenu contenant le sulfate de fer (II).
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, 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, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, 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, PL, 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: German (DE)
Filing Language: German (DE)