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公开(公告)号：DE59706979D1
公开(公告)日：2002-05-16
申请号：DE59706979
申请日：1997-06-17
Applicant: BASF AG
Inventor： WIESENFELDT MATTHIAS , DIX PETER , STREICHER ROLF , HERRMANN MANFRED , LAMM GUNTHER
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公开(公告)号：BR9710098A
公开(公告)日：1999-08-10
申请号：BR9710098
申请日：1997-06-17
Applicant: BASF AG
Inventor： WIESENFELDT MATHIAS , DIX JOHANNES PETER , STREICHER ROLF , HERRMANN MANFRED , LAMM GUNTHER
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公开(公告)号：DE19626318A1
公开(公告)日：1998-01-08
申请号：DE19626318
申请日：1996-07-01
Applicant: BASF AG
Inventor： WIESENFELDT MATTHIAS DR , DIX JOHANNES PETER DR , STREICHER ROLF , HERRMANN MANFRED DR , LAMM GUNTHER DR
IPC: C09B67/00 , C09B67/22 , D06P1/39 , D06P3/32 , C07C309/50 , C07D209/34 , C07D209/48 , C07D271/06 , C07D295/26 , C07D307/88 , C09B67/24 , D06P1/30
Abstract: The invention concerns dye mixtures containing the dye of formula (I), CI sulphur black (1) dye (53 185), at least one disazo dye of formula (II) in which the A, X , R , R , and R ring has the meaning indicated in the description and also containing at least one polyazo dye of formula (III) in which n and the Y , Y , Y , Y , X , R , R , R and R groups always have the meaning more precisely indicate in the description. The invention also concerns the use of said dye mixtures to colour natural or synthetic substrates.
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公开(公告)号：ES2059449T3
公开(公告)日：1994-11-16
申请号：ES88111752
申请日：1988-07-21
Applicant: BASF AG
Inventor： EBEL KLAUS DR , REUTHER WOLFGANG DR , FIKENTSCHER ROLF DR , LACH DIETRICH DR , STREICHER ROLF , SCHAFFER ORTWIN DR
IPC: C08G12/02 , C08G12/12 , C08G12/32 , C08G12/34 , C08G14/06 , C08G14/10 , C14C3/04 , C14C3/18 , C14C3/28
Abstract: A tanning assistant useful in particular for tanning in combination with aluminum tanning agents is obtained by condensing melamine with glyoxal and/or glyoxylic acid and optionally with an aromatic compound which has a phenolic hydroxyl group or optionally with a condensable nitrogen compound.
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公开(公告)号：DE3886160D1
公开(公告)日：1994-01-20
申请号：DE3886160
申请日：1988-09-17
Applicant: BASF AG
Inventor： FIKENTSCHER ROLF DR , LACH DIETRICH DR , SCHAFFER ORTWIN DR , STREICHER ROLF , OFTRING ALFRED DR
Abstract: A product of the condensation of bis(4-hydroxyphenyl) sulphone, an aldehyde, dialdehyde and/or glyoxylic acid and aminoacetic acid or an N-substituted aminoacetic acid is used as a tanning aid in a leather-tanning method using this condensation product in combination, in particular, with aluminium tanning agents.
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Patent Agency Ranking
公开(公告)号：PT88567B
公开(公告)日：1992-11-30
申请号：PT8856788
申请日：1988-09-21
Applicant: BASF AG
Inventor： SCHAFFER ORTWIN , FIKENTSCHER ROLF , LACH DIETRICH , STREICHER ROLF , OFTRING ALFRED
Abstract: A product of the condensation of bis(4-hydroxyphenyl) sulphone, an aldehyde, dialdehyde and/or glyoxylic acid and aminoacetic acid or an N-substituted aminoacetic acid is used as a tanning aid in a leather-tanning method using this condensation product in combination, in particular, with aluminium tanning agents.
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公开(公告)号：DE3818183A1
公开(公告)日：1989-12-07
申请号：DE3818183
申请日：1988-05-28
Applicant: BASF AG
Inventor： STREICHER ROLF , SCHAFFER ORTWIN DR , BELDE HORST , GUENTHERT PAUL DR
Abstract: Process for dyeing leather by means of pigments in aqueous liquor, wherein the leather is treated with pigments at a temperature of from 20 to 60 DEG C in the presence of an alkoxylated amine having at least 20 carbon atoms.
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公开(公告)号：DE3731810A1
公开(公告)日：1989-03-30
申请号：DE3731810
申请日：1987-09-22
Applicant: BASF AG
Inventor： FIKENTSCHER ROLF DR , LACH DIETRICH DR , SCHAFFER ORTWIN DR , STREICHER ROLF , OFTRING ALFRED DR
Abstract: A product of the condensation of bis(4-hydroxyphenyl) sulphone, an aldehyde, dialdehyde and/or glyoxylic acid and aminoacetic acid or an N-substituted aminoacetic acid is used as a tanning aid in a leather-tanning method using this condensation product in combination, in particular, with aluminium tanning agents.
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公开(公告)号：DE3661082D1
公开(公告)日：1988-12-08
申请号：DE3661082
申请日：1986-07-08
Applicant: BASF AG
Inventor： SCHNEIDER KURT DR , LACH DIETRICH DR , STREICHER ROLF , SCHAFFER ORTWIN DR
IPC: C14C1/08
Abstract: In a particularly time-saving and economical process for deliming hides, a cyclic ester of sulfurous acid with an aliphatic 1,2-diol is used as the deliming agent.
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10.发明专利
公开(公告)号：BRPI0415933B1
公开(公告)日：2015-11-10
申请号：BRPI0415933
申请日：2004-10-28
Applicant: BASF AG
Inventor： ZAMPONI ANDREA , KIESOW HARALD , SOMOGYI LASZLO , ERHARDT RAINER , STREICHER ROLF
IPC: D06P1/38 , C09B62/44 , C09B62/453 , C09B62/513 , C09B62/515 , C14C3/08 , C14C9/02 , D06P3/32
Abstract: "processo para a tingidura de couro com pelo menos um corante f, uso dos corantes f, corantes f, e, couro tingido". a presente invenção refere-se a um método para a coloração de couro com pelo menos um corante (f), que compreende pelo menos um grupo da fórmula (a), que pode ser ativado sob condições alcalinas, em que ---representa a ligação ao restante da molécula de corante, x é um grupo de retirada de elétrons, k = 1, 2 ou 3, n = o ou 1 e b é um grupo ch=ch~ 2~ ou ch~ 2~- ch~ 2~-q, em que q é um grupo, que pode ser clivado sob condições alcalinas, compreendendo o tratamento do couro com um líquido aquoso, que contém pelo menos um corante (f), em um valor de ph de pelo menos 7, 5.
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