公开(公告)号：AU2003294691A1

公开(公告)日：2004-05-13

申请号：AU2003294691

申请日：2003-10-14

Applicant: BASF AG

Inventor： PABST GUNTHER ,  LAMALLE PHILIPPE ,  HUFFER STEPHAN ,  SCHROEDER STEFAN ,  TAEGER TILMAN LUDECKE

IPC: C14C1/06 ,  B60J7/20

Abstract: Leather is produced by a process comprising at least two of the following process steps A) to D): A) use of one or more polyelectrolytes in the production of semifinished products or intermediate products, comprising the addition of one or more polyelectrolytes in at least one of the steps (a) to (d) (a) together with from 0 to 1.5% by weight, based on the salted weight, of lime, immediately before or during liming, (b) before or during deliming, (c) before or during bating, (d) together with, altogether, from 0 to 3% by weight, based on the pelt weight, of alkali metal or alkaline earth metal salt, immediately before or during pickling; B) treatment of the hides during liming in an aqueous liquor with one or more compounds of the formula B.1 or the corresponding alkali metal, alkaline earth metal, ammonium or phosphonium salts thereof, R 10 and X 1 to X 4 having the meanings stated in the description, with the proviso that at least two mercapto groups are present in the compound or the compounds B.1; C) use of degreasing agents of the formula C.1 for degreasing pelts, hides or other intermediate stages and semifinished products in leather production, n and R 16 to R 21 having the meanings stated in the description; D) tanning with the use of a tanning agent which can be prepared by reacting at least one aldehyde of the formula D.1, with at least one further identical or different aldehyde of the formula D.1 in the presence of an acidic catalyst and optionally in the presence of at least one further carbonyl compound of the formula D.2 Z and R 22 to R 25 having the meanings stated in the description, with the proviso that, when Z corresponds to a single chemical bond or a radical without alpha-hydrogen atoms, at least one further aldehyde of the formula D.1, in which Z contains alpha-hydrogen atoms, or at least one further carbonyl compound of the formula D.2 is present.

公开(公告)号：AU2003232797A1

公开(公告)日：2003-12-02

申请号：AU2003232797

申请日：2003-05-19

Applicant: BASF AG

Inventor： TAEGER TILMAN LUDECKE ,  PABST GUNTHER ,  LAMALLE PHILIPPE ,  HUFFER STEPHAN ,  SCHROEDER STEFAN

IPC: C14C1/06

Abstract: Horny substances are removed from hides, pelts or skins of dead animals by treating the hides, pelts or skins in aqueous liquor with one or more compounds of the formula I or their corresponding alkali metal or alkaline earth metal salts or ammonium or phosphonium salts, the variables being defined as follows: R 1 is selected from hydrogen and C 1 -C 12 -alkyl, unsubstituted or substituted by one or more S-H or O-H groups; X 1 to X 4 are identical or different and are selected from hydrogen, C 1 -C 4 -alkyl, O-H, S-H and N-HR 2 , R 2 is hydrogen or C 1 -C 12 -alkyl or a C 1 -C 4 -Alkyl-C-O group, at least one radical X 1 to X 4 being S-H when R 1 contains at least one sulfur atom and at least two radicals X 1 to X 4 being S-H when R 1 contains no sulfur atom.

公开(公告)号：AU2003214115A1

公开(公告)日：2003-09-29

申请号：AU2003214115

申请日：2003-03-12

Applicant: BASF AG

Inventor： TAEGER TILMAN LUDECKE ,  SCHROEDER STEFAN ,  LAMALLE PHILIPPE ,  HUFFER STEPHAN ,  PABST GUNTHER

IPC: C14C1/06 ,  C14C1/08 ,  C14C3/22

Abstract: A process for the production of semifinished products and intermediates in the production of leather using one or more organic polyelectrolytes comprises at least one of the following steps: (a) Addition of one or more polyelectrolytes and from 0 to 0.7% by weight, based on the salted weight, of lime immediately before or during liming, (b) addition of one or more polyelectrolytes before or during deliming, (c) addition of one or more polyelectrolytes before or during bating, (d) addition of one or more polyelectrolytes and a total of from 0 to 3% by weight, based on the pelt weight, of alkali metal or alkaline earth metal salt immediately before or in the pickle.

公开(公告)号：DE10122025A1

公开(公告)日：2002-11-14

申请号：DE10122025

申请日：2001-05-07

Applicant: BASF AG

Inventor： LUNKWITZ RALPH ,  PABST GUNTHER ,  SCHERR GUENTER

IPC: C07D401/14 ,  C07D213/50 ,  C07D213/61 ,  C07D213/68 ,  C07D213/803 ,  C07D213/44 ,  C07D213/79

Abstract: A process for the production of pyridine-2-carboxylic acid-(1-4C) alkyl ester compounds comprises acid hydrolysis of a 2-cyanopyridine derivative with an anhydrous inorganic acid or its anhydride in the presence of water and a 1-4C alcohol. An equimolar quantity of water is added before the addition of the acid or anhydride. A process for the production of pyridine-2-carboxylic acid-(1-4C) alkyl ester compounds (I) of formula (1) comprises acid hydrolysis of a 2-cyanopyridine derivative (II) of formula (2) with an anhydrous acid or its anhydride in the presence of water and a 1-4C alcohol. An equimolar quantity of water is added to the compound (II) before the addition of the acid or anhydride. R = H, 1-12C alkyl or alkoxy; and n = 0-4. Independent claims are included for: (1) a process for the production of terpyridines of formula (3) involves: (i) condensation of a pyridine-2-carboxylic acid-(1-4C)-alkyl ester (I) with acetone in an aprotic solvent in the presence of an alkali- or alkaline earth (1-4C)-alcoholate; (ii) reaction of the resulting 1,5-bis(2-pyridyl)pentan-1,3,5-trione compound of formula (4) with ammonia or ammonium salts of formula (5) with removal of the water of reaction using a 1-4C alcohol as a driving agent; and (iii) chlorination of the resulting 2,6-bis(2-pyridyl)-(1H) pyridone compound of formula (6) using POCl3 and toluene, o-xylene, m-xylene and/or p-xylene; (2) a processes for the production of the 1,5-bis(2-pyridyl)-pentan-1,3,5 trione compounds of formula (4) and 2,6-bis(2-pyridyl)-4(1H) pyridone compounds of formula (6). Y = acid anion; Z = NH if the reaction step (ii) is using ammonia, or NH2 if the reaction step (ii) is using (NH4)qY; and q = valency of acid.

公开(公告)号：DE10111196A1

公开(公告)日：2002-09-19

申请号：DE10111196

申请日：2001-03-08

Applicant: BASF AG

Inventor： LUNKWITZ RALPH ,  SEITZ ANDREAS ,  PABST GUNTHER

IPC: C07C303/02 ,  C07C309/17 ,  C09K23/00 ,  C09K23/10 ,  C14C9/00 ,  C07C69/587 ,  C07C69/604 ,  B01F17/10 ,  B01F17/52 ,  C09K3/18

Abstract: Mixture comprising sulfo-functional di- or tribasic carboxylic acid esters and nonhydroxylic ethers and esters with 18-45C atoms, is new. Composition (I) comprises: (a) di- or tribasic carboxylic acid esters of formula (I); (b) nonhydroxylic ethers and esters with 18-45C; and (c) optionally alkanols of formula (II) and alkanediols of formula (III) Provided that, based on the sum of the weights of nonhydroxylic ethers, nonhydroxylic esters, alkanols, alkanediols and OR and (O)2R groups, the mixture comprises up to 85% OR groups, up to 16% (O)2R groups and up to 45% nonhydroxylic ethers and esters. ((MOOC)a-bR (COO)b)m(R )n(R )p(OH)q (I) R OH (II) R (OH)2 (III) a, b = 2 or 3, provided that b = (a) a 2-6C di- or trivalent, saturated or mono- or diunsaturated, aliphatic or alicyclic hydrocarbon group, at least 50 mole% of R being saturated or monounsaturated and having a sulfonic acid group or (b) a 6C di- or trivalent aromatic hydrocarbon group bearing a sulfonic acid group; R = branched 9-51C alkyl optionally substituted by alkoxy, alkylcarbonyloxy or alkoxycarbonyl; and R = 10-30C alkanediyl. Independent claims are included for: (1) a process for preparing (I); (2) aqueous and nonaqueous compositions comprising: (i) an ester mixture comprising (I) and optionally monoesters of formula (IV) and (V); and (ii) dubbing and/or hydrophobizing substances. (MOOC)dR COOR (IV) ((MOOC)dR COO)2R (V) d = 1 or 2.

公开(公告)号：AR046930A1

公开(公告)日：2006-01-04

申请号：ARP040104235

申请日：2004-11-17

Applicant: BASF AG

Inventor： BUEHLER HOLGER ,  TELES JOAQUIN HENRIQUE ,  SUELING CARSTEN ,  TAEGER TILMAN LUEDECKE ,  PABST GUNTHER

IPC: C07C321/14 ,  C07C323/12 ,  C07C323/15 ,  C07C323/16 ,  C07C323/17 ,  C14C1/06 ,  C07C319/00

Abstract: Procedimiento para eliminar sustancias corneas de pieles de animales muertos, caracterizado porque se tratan las pieles de animales muertos con por lo menos una sustancia de la formula general (1), o por lo menos una sal de metales alcalinos, metales alcalinotérreos, de amonio o fosfonio, correspondiente, definiéndose las variables como sigue: R1, R4 son iguales o diferentes y seleccionados entre H, arilo C6-14 y alquilo C1-12, no sustituido o sustituido con uno o más grupos SH u OH; R2, R3 son iguales o diferentes y seleccionados entre H, arilo C6-14 y alquilo C1-12 no sustituido o sustituido con uno o más grupos SH u OH, en donde por lo menos un resto R2 o R3 es diferente de H o R1 y R4 son diferentes de H, y en donde en cada caso dos restos vecinos R1 a R4 pueden significar juntos alquileno; R5 es seleccionado entre H, alquilo C1-12, H-C=O o alquilo C1-4-C=O; X1, X2, X3 y X4 son seleccionados entre OH, SH y NHR5, en donde para el caso de que R1 a R4 contengan por lo menos un átomo de S, por lo menos uno de X1 a X4 significa SH, y para el caso de que R1 a R4 no contengan ningun átomo de S, por lo menos dos de X1 a X4 significan SH.

公开(公告)号：DE102004024798A1

公开(公告)日：2005-12-08

申请号：DE102004024798

申请日：2004-05-17

Applicant: BASF AG

Inventor： ERHARDT RAINER ,  PABST GUNTHER ,  OETTER GUENTER ,  SEITZ ANDREAS ,  DANISCH PETER

IPC: C07C43/11 ,  C08G71/00 ,  C14C9/02 ,  C08L71/00 ,  C08L91/00

Abstract: Aqueous compositions containing alkoxylated alcohols and hydrophobic components, method for the production and use thereof Compositions comprising, as components, a) at least two alkoxylated alcohols, b) at least one hydrophobic component selected from natural, modified natural and synthetic hydrophobic substances, c) at least 20% by weight, based on the total weight of the composition, of water, wherein the compositions have a mean hydrodynamic radius in the range from 1 to 200 nm, determined by dynamic light scattering.

公开(公告)号：DE10355402A1

公开(公告)日：2005-06-30

申请号：DE10355402

申请日：2003-11-25

Applicant: BASF AG

Inventor： HUEFFER STEPHAN ,  MIJOLOVIC DARIJO ,  DANISCH PETER ,  KLUEGLEIN MATTHIAS ,  PABST GUNTHER ,  WOLF GERHARD

IPC: C08F222/06 ,  C08F222/38 ,  C14C3/22 ,  C14C9/00

Abstract: Producing aqueous copolymer dispersions with a water content of 30-99.5 wt.% comprises radical copolymerization of an ethylenically unsaturated dicarboxylic acid anhydride having 4-8 carbon atoms, an oligomer of an alkene having 3-10 carbon atoms and optionally an ethylenically unsaturated comonomer, optionally reacting the product with an alkoxylated alcohol (Ia) or alkoxylated amine (Ib), and adding water. Producing aqueous copolymer dispersions with a water content of 30-99.5 wt.% comprises radical copolymerization of an ethylenically unsaturated dicarboxylic acid anhydride having 4-8 carbon atoms, an oligomer of an alkene having 3-10 carbon atoms, where the oligomer has a molecular weight of 300-5000 or is produced by oligomerising at least 3 equivalents of the alkene, and optionally an ethylenically unsaturated comonomer, optionally reacting the product with an alkoxylated alcohol of formula (Ia) or alkoxylated amine of formula (Ib), and adding water. HO(A 1>O) nR 1> (Ia) H 2N(A 1>O) nR 1> (Ib) A 1>2-20C alkylene; R 1>1-30C alkyl, phenyl or H; n : 1-200. Independent claims are also included for: (1) aqueous copolymer dispersions produced as above; (2) treatment of fibrous substrates using the dispersions; (3) fibrous substrates treated as above; (4) copolymers produced by radical copolymerization of an anhydride, oligomer and optional comonomer as above, reaction with (Ia) or (Ib) and optional hydrolysis; (5) impregnating flat substrates with dispersions or copolymers as above.

公开(公告)号：AR039879A1

公开(公告)日：2005-03-09

申请号：ARP030101585

申请日：2003-05-06

Applicant: BASF AG

Inventor： HUEFFER STEPHAN ,  PABST GUNTHER ,  TAEGER TILMAN LUEDECKE ,  SCHROEDER STEFAN ,  WOLF GERHARD

IPC: C07C45/72 ,  C14C3/16 ,  C14C3/08

Abstract: Curtientes obtenidos por reacción de por lo menos un aldehído de la fórmula general (1), con por lo menos otro aldehído idéntico o diferente de la fórmula (1), en donde las variables tienen las definiciones siguientes: Z significa un enlace químico simple, alquileno C1-12, cicloalquileno C5-12 o arileno C6-14, eventualmente sustituidos, realizándose la reacción en presencia de un catalizador ácido y opcionalmente en presencia de por lo menos otro compuesto carbonilo de la fórmula (2), en donde R1 a R4 significan, independientemente, hidrógeno, alquilo C1-12, cicloalquilo C3-12, aralquilo C7-13 o arilo C6-14, eventualmente sustituidos, siendo preciso, que cuando Z significa un enlace simple o un radical sin átomos de alfa-hidrógeno, esté presente por lo menos otro aldehído de la fórmula (1) en el que el radical Z contenga átomos de alfa-hidrógeno o por lo menos otro compuesto de carbonilo de la fórmula (2). Procedimiento para la obtención de estos curtientes, su uso como agentes de conversación, especialmente, para la precurtición, curtición y recurtición de pieles animales, y un procedimiento para la precurtición, curtición o recurtición de pieles animales mediante dichos curtientes. Sustancia activa pulverulenta, que contiene uno o varios de dichos curtientes, procedimiento para la obtención de esta sustancia activa pulverulenta y uso de la misma como agente de conversación y cueros obtenidos usando los curtientes o aplicando el procedimiento descripto.

公开(公告)号：BR0307592A

公开(公告)日：2005-02-01

申请号：BR0307592

申请日：2003-02-20

Applicant: BASF AG

Inventor： LUNKWITZ RALPH ,  SEITZ ANDREAS ,  PABST GUNTHER

IPC: C14C9/02

Abstract: Agents for the fatliquoring of, in particular, leathers and hides tanned in the absence of chromium comprise A) at least one modified natural oil and B) at least one stabilizer L n R where R a is H or methyl, R b is methyl, ethyl or tert-butyl, R c is methyl, tert-butyl, cyclohexyl or methylcyclohexyl, R is an n-valent C 3 - to C 30 -hydrocarbon radical which is unsubstituted or substituted and/or contains hetero atoms and n is an integer from 1 to 10, the stabilizer L n R having altogether at least 20, in particular altogether at least 28, carbon atoms, and, where n is 2, -R- also being -S-, -O-, -N(H)-, -CH 2 -, -(CH 2 ) 2 -, -CH(CH 3 )-, -CH 2 ) 3 -, -CH(C 2 H 5 )- or -C(CH 3 ) 2 -. The novel fatliquoring agents are used in leather production and/or leather treatment, and leather is produced and/or treated using aqueous dispersions of these fatliquoring agents.