公开(公告)号：BR0308353A

公开(公告)日：2005-01-25

申请号：BR0308353

申请日：2003-03-12

Applicant: BASF AG

Inventor： HUEFFER STEPHAN ,  PABST GUNTHER ,  TAEGER TILMAN LUEDECKE ,  SCHROEDER STEFAN ,  LAMALLE PHILIPPE

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：BR0212315A

公开(公告)日：2004-09-21

申请号：BR0212315

申请日：2002-09-06

Applicant: BASF AG

Inventor： PABST GUNTHER ,  ADAMS STEFAN ,  SEITZ ANDREAS ,  LUNKWITZ RALPH ,  VILL KARL

IPC: C14C9/02

公开(公告)号：AR036417A1

公开(公告)日：2004-09-08

申请号：ARP020103322

申请日：2002-09-03

Applicant: BASF AG

Inventor： PABST GUNTHER ,  SEITZ A ,  LUNKWITZ R

IPC: A61L15/00 ,  A61L15/22 ,  A61L15/60 ,  B01J8/10 ,  C08F2/01 ,  C08F6/00 ,  C09K23/42 ,  C14C9/02 ,  F26B3/20 ,  F26B5/04 ,  F26B21/14 ,  F26B25/00

Abstract: Una composición emulsionante que comprende tres componentes A, B y C, en donde: dicho componente A es un alcanol C6-14 alcoxilado con 4 a 12 unidades AO, o una mezcla de una pluralidad de tales alcanoles, dicho componente B es una mezcla de alcoholes grasos C12-24 alcoxilados con 15 a 30 unidades AO, y dicho componente C es una mezcla de alcoholes grasos C12-24 alcoxilados con 40 a 100 unidades AO. Preferentemente, la fracción de peso de dicho componente A es de 20 a 60% en peso, dicho componente B es de 20 a 70% en peso, y dicho componente C es de 10 a 50% en peso, basado en el peso total de la preparación. El uso de la composición de emulsionante descripta en la elaboración de cuero y para preparar composiciones de engrasantes emulsionados. Un procedimiento para el engrasado-emulsionado de cueros y pieles por tratamiento con banos de licor acuosos que contienen licores grasos y emulsionantes, en donde de 10 a 90% en peso y preferentemente 25 a 75% en peso de dichos licores grasos son aceites neutros relativamente altamente oxidados que tienen un grado relativamente bajo de sulfitación y el bano contiene de 1 a 10% en peso y preferentemente de 2,5 a 7,5% en peso de una composición de emulsionante según lo descripto

公开(公告)号：AU2003273997A1

公开(公告)日：2004-05-13

申请号：AU2003273997

申请日：2003-10-14

Applicant: BASF AG

Inventor： TAEGER TILMAN LUDECKE ,  PABST GUNTHER ,  LAMALLE PHILIPPE ,  BREUER MICHAEL ,  KROGER BURKHARD ,  SUBKOWSKI THOMAS ,  LEMAIRE HANS-GEORG

IPC: C14C1/06

Abstract: Horny substances are removed from animal hides by a process wherein animal hides are treated in a liquor comprising from 0.05 to 5% by weight, based on the salted weight, of one or more compounds of the formula I or the corresponding alkali metal or alkaline earth metal or ammonium or phosphonium salts thereof, 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 of the radicals X 1 to X 4 being S-H, and, if R 1 contains neither O-H nor S-H, at least one further radical from among X 1 to X 4 is selected from S-H, OH and NH-R 2 , and furthermore with at least one compound which catalyzes the hydrolysis of peptide bonds.

公开(公告)号：DE10211293A1

公开(公告)日：2003-09-25

申请号：DE10211293

申请日：2002-03-14

Applicant: BASF AG

Inventor： PABST GUNTHER ,  IGL GEORG ,  HOERNER KLAUS DIETER

IPC: C14B1/28 ,  G01N21/88 ,  G01N33/44 ,  G06K9/03 ,  G01B11/30 ,  G01N21/898

公开(公告)号：DE10140551A1

公开(公告)日：2003-02-27

申请号：DE10140551

申请日：2001-08-17

Applicant: BASF AG

Inventor： PABST GUNTHER ,  WOLF GERHARD ,  KAST JUERGEN ,  WERNER JUERGEN

IPC: C08G8/28 ,  C08L61/14 ,  C14C3/20 ,  C08G14/08

Abstract: The invention relates to a method for producing a solution of tanning agents containing sulphone. In said method, a) a component A is produced as follows: a1) phenol is reacted with concentrated sulphuric acid or with oleum with an SO3 content of between 20 and 65 wt. %, or with a mixture of sulphuric acid and oleum with an SO3 content of between 20 and 65 wt. %, whereby the molar ratio of total sulphuric acid, calculated in the form of SO3 to phenol is between 0.7: 1 and 1.5: 1, at a temperature of between 100 and 180 DEG C to obtain a mixture containing phenolsulphonic acid, dihydroxydiphenyl sulphone and sulphuric acid, or the individual components are blended to produce a corresponding mixture; a2) said mixture is subsequently condensed at between 40 and 90 DEG C per mol of phenol units present with between 0.25 and 4 mol of urea and between 0.5 and 4 mol of an aliphatic aldehyde comprising between 1 and 6 C atoms, a3) optionally a pH value of between 4 and 5 is set by adding a base; b) a component B is produced as follows: b1) dihydroxydiphenyl sulphone is reacted with between 0.5 and 5 mol of an aliphatic aldehyde comprising between 1 and 6 C atoms and between 0.4 and 2 mol of sodium sulphite per mol of dihydroxydiphenyl sulphone, at a temperature of between 90 and 180 DEG C; b2) optionally a pH value of between 3.5 and 5.5 is set by adding an acid. c) Between 10 and 90 wt. % of component A is mixed with between 90 and 10 wt. % of component B, (the sum of A and B amounting to 100 wt. %) and if not already accomplished in steps a3) and b2), the pH value of the mixture is set at between 3.5 and 5.5.