Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (WO2007006718) METHOD FOR PRODUCING LEATHER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/006718 International Application No.: PCT/EP2006/063956
Publication Date: 18.01.2007 International Filing Date: 06.07.2006
Chapter 2 Demand Filed: 21.11.2006
IPC:
C14C 3/16 (2006.01)
C CHEMISTRY; METALLURGY
14
SKINS; HIDES; PELTS; LEATHER
C
TREATING SKINS, HIDES OR LEATHER WITH CHEMICALS, ENZYMES OR MICRO-ORGANISMS, e.g. TANNING, IMPREGNATING OR FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
3
Tanning; Compositions for tanning
02
Chemical tanning
08
by organic agents
16
using aliphatic aldehydes
Applicants:
BASF AKTIENGESELLSCHAFT [DE/DE]; 67056 Ludwigshafen, DE (AllExceptUS)
HÜFFER, Stephan [DE/DE]; DE (UsOnly)
SCHROEDER, Stefan [DE/CN]; CN (UsOnly)
LAMALLE, Philippe [FR/DE]; DE (UsOnly)
BACH, Volker [DE/DE]; DE (UsOnly)
Inventors:
HÜFFER, Stephan; DE
SCHROEDER, Stefan; CN
LAMALLE, Philippe; DE
BACH, Volker; DE
Common
Representative:
BASF AKTIENGESELLSCHAFT; 67056 Ludwigshafen, DE
Priority Data:
10 2005 032 585.811.07.2005DE
Title (DE) VERFAHREN ZUR HERSTELLUNG VON LEDER
(EN) METHOD FOR PRODUCING LEATHER
(FR) PROCEDE DE FABRICATION DE CUIR
Abstract:
(DE) Verfahren zur Herstellung von Leder, dadurch gekennzeichnet, dass man Tierhäute im Anschluss an das Äschern, Entkälken und ggf. Pickeln vorgerbt oder gerbt mit einer Mischung von Verbindungen, umfassend (a) mindestens einen organischen Gerbstoff und (b) ein Gemisch von (b1) mindestens einer C3-C12-Dicarbonsäure (b2) und mindestens einer weiteren sauren Verbindung, gewählt aus C1-C3-Mono- oder C3-C12-Dicarbonsäuren, oder deren Salzen.
(EN) The invention relates to a method for producing leather, characterized in that following liming, deliming and, optionally, souring, animal skins are pre-tanned or tanned with a mixture of compounds, comprising: (a) at least one organic tanning agent and; (b) a mixture consisting of: (b1) at least one C3-C12 dicarboxylic acid, and; (b2) of at least one other acid compound selected among C1-C3 mono- or C3-C12 dicarboxylic acids or salts thereof.
(FR) L'invention concerne un procédé de fabrication de cuir caractérisé en ce qu'après pelanage, décalcification et picklage, les peaux sont prétannées ou tannées au moyen d'un mélange de composés contenant (a) au moins une substance de tannage organique et (b) un mélange de (b1) au moins un acide C3-C12-dicarboxylique et de (b2) au moins un autre composé acide choisi parmi des acides C1-C3-monocarboxyliques ou C3-C12-dicarboxyliques, ou leurs sels.
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, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, 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, 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, IS, IT, LT, LU, LV, 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)
Also published as:
AR057429EP1904658ES2343433US20080207812US20090172890BRPI0612827
CN101223289IN712/CHENP/2008