公开(公告)号：CA2375338A1

公开(公告)日：2000-12-07

申请号：CA2375338

申请日：2000-05-24

Applicant: BASF AG

Inventor： SEUFERT MICHAEL ,  DEUBIG ROLAND ,  KISTENMACHER AXEL ,  POTTHOFF-KARL BIRGIT

IPC: C02F5/00 ,  C02F5/10 ,  C02F5/14 ,  C08F220/06 ,  C08F222/02 ,  C08F222/06

Abstract: The invention relates to the utilization of copolymers as inhibitors of calcium oxalate coatings, containing the following polymerized components: a ) 10 to 80 % by weight percent maleic acid and/or maleic acid anhydride; b) 20 to 90 % by weight acrylic acid and c) 0 to 20 % by weight of at least one additional monomer which can be copolymerized with monomers (a) and (b) and having an average molecular weight ranging between 25,000 and 250,000.

公开(公告)号：DE59307218D1

公开(公告)日：1997-10-02

申请号：DE59307218

申请日：1993-06-22

Applicant: BASF AG

Inventor： KRONER MATTHIAS ,  HARTMANN HEINRICH ,  BOECKH DIETER ,  FUNHOFF ANGELIKA ,  BAUR RICHARD ,  KUD ALEXANDER ,  SCHWENDEMANN VOLKER ,  POTTHOFF-KARL BIRGIT ,  BUECHNER KARL-HEINZ

IPC: C02F5/12 ,  C08F222/00 ,  C08F267/00 ,  C08F283/04 ,  C08G69/10 ,  C08G73/10 ,  C11D3/37 ,  C13B25/00 ,  C13B30/02 ,  C13F1/00

Abstract: PCT No. PCT/EP93/01588 Sec. 371 Date Jan. 3, 1995 Sec. 102(e) Date Jan. 3, 1995 PCT Filed Jun. 22, 1993 PCT Pub. No. WO94/01486 PCT Pub. Date Jan. 20, 1994Modified polyaspartic acids useful as detergent and cleaner additives, as water treatment agents and as scale inhibitors in the evaporation of sugar juice are obtainable by polycondensation of (a) from 1 to 99.9 mol % of aspartic acid with (b) from 99 to 0.1 mol % of fatty acids, polybasic carboxylic acids, anhydrides of polybasic carboxylic acids, polybasic hydroxycarboxylic acids, monobasic polyhydroxycarboxylic acids, alcohols, amines, alkoxylated alcohols and amines, amino sugars, carbohydrates, sugarcarboxylic acids and/or non-proteinogenic aminocarboxylic acids or by polymerizing monoethylenically unsaturated monomers in the presence of polyaspartic acids in the manner of a free-radically initiated graft polymerization.

公开(公告)号：FI960841A

公开(公告)日：1996-02-23

申请号：FI960841

申请日：1996-02-23

Applicant: BASF AG

Inventor： SCHNEIDER JUERGEN ,  OFTRING ALFRED ,  FREYBERG PETER ,  SCHUHMACHER RUDOLF ,  BAUR RICHARD ,  POTTHOFF-KARL BIRGIT ,  KUD ALEXANDER

IPC: C11D3/12 ,  C05D9/02 ,  C05F11/00 ,  C09K3/00 ,  C11D1/10 ,  C11D3/33 ,  C11D3/34 ,  C11D7/32 ,  C11D7/34 ,  D21C9/10 ,  G03C5/305 ,  G03C7/42 ,  C11D

公开(公告)号：CA2467308C

公开(公告)日：2012-01-24

申请号：CA2467308

申请日：2002-11-11

Applicant: BASF AG

Inventor： BAUM PIA ,  MUELLER CHRISTINE ,  OSWALD ANKE ,  POTTHOFF-KARL BIRGIT

IPC: C08F261/06 ,  C08F283/06 ,  C11D3/37

Abstract: Graft polymers containing (A) a polymeric grafting base devoid of monoethylenically unsaturated units, and (B) polymeric side chains formed from copolymers of two different monoethylenically unsaturated monomers (B1) and (B2) which each contain at least one nitrogeneous heterocycle, wherein said side chains (B) account for from 35 to 55% by weight of the total polymer.

公开(公告)号：BR0316848A

公开(公告)日：2005-10-18

申请号：BR0316848

申请日：2003-11-28

Applicant: BASF AG

Inventor： BAUM PIA ,  KUELZER NICOLA ULRIKE ,  FUNKE FRANK ,  BASTIAN ANDREAS ,  RINGELSBACHER MARKUS ,  HEISSLER HEINZ ,  REUTHER GERHARD ,  KONRAD ROUVEN ,  CARNAHAN JAMES DAVID ,  SIEMENSMEYER KARL ,  POTTHOFF-KARL BIRGIT ,  SCHNEIDER TANJA ,  MUELLER JOHANN

IPC: D06P1/52 ,  D06P1/60 ,  D06P5/08 ,  D06P5/13 ,  D06P1/08

Abstract: The use of copolymers containing units derived from at least 2 monoethylenically unsaturated monomers B1 and B2 which each contain at least one nitrogenous heterocycle, as auxiliaries for textile dyeing and textile printing.

公开(公告)号：BR0214120A

公开(公告)日：2004-10-13

申请号：BR0214120

申请日：2002-11-11

Applicant: BASF AG

Inventor： BAUM PIA ,  LLER CHRISTINE M ,  OSWALD ANKE ,  POTTHOFF-KARL BIRGIT

IPC: C08F261/06 ,  C08F283/06 ,  C11D3/37

Abstract: Graft polymers containing (A) a polymeric grafting base devoid of monoethylenically unsaturated units, and (B) polymeric side chains formed from copolymers of two different monoethylenically unsaturated monomers (B1) and (B2) which each contain at least one nitrogeneous heterocycle, wherein said side chains (B) account for from 35 to 55% by weight of the total polymer.

公开(公告)号：DE10256618A1

公开(公告)日：2004-06-17

申请号：DE10256618

申请日：2002-12-03

Applicant: BASF AG

Inventor： BAUM PIA ,  KUELZER NICOLA ULRIKE ,  FUNKE FRANK ,  BASTIAN ANDREAS ,  RINGELSBACHER MARKUS ,  HEISLER HEINZ ,  REUTHER GERHARD ,  KONRAD ROUVEN ,  CARNAHAN JAMES DAVID ,  SIEMENSMEYER KARL ,  POTTHOFF-KARL BIRGIT ,  SCHNEIDER TANJA

IPC: D06P1/52 ,  D06P1/60 ,  D06P5/08 ,  D06P5/13 ,  D06M15/21 ,  C11D3/37 ,  D06M14/10

Abstract: A method for after-cleaning dyed textiles involves using copolymer(s) (I) of at least two mono-unsaturated monomers (B1) and (B2), each containing at least one nitrogen-containing heterocycle. Independent claims are also included for (1) an after-soaping agent (II) containing (I) (2) aqueous formulations of (II)

公开(公告)号：DE19855681A1

公开(公告)日：2000-06-08

申请号：DE19855681

申请日：1998-12-02

Applicant: BASF AG

Inventor： OFTRING ALFRED ,  OTT CHRISTIAN ,  POTTHOFF-KARL BIRGIT ,  DECKER JUERGEN

IPC: C07C227/18 ,  C07C229/24 ,  C07C227/30

Abstract: Production of (S,S)/(R,S)-N,N'-ethylenediaminedisuccinic acid comprises reaction of ethyleneimine, maleic acid anhydride or salts and L-aspartic acid, L-glutamic acid or L-cysteine in the presence of a base. A process for the production of (S,S)/(R,S)-N,N'-ethylenediaminedisuccinic acid, analogous compounds or their salts (I) comprises reaction of maleic acid anhydride or a maleic acid salt with ethylene imine in the presence of a base, followed by reaction of the product with L-aspartic acid, L-glutamic acid or L-cysteine in the presence of a base and optionally acidification with an acid.

公开(公告)号：ES2098916T3

公开(公告)日：1997-05-01

申请号：ES94903854

申请日：1993-12-21

Applicant: BASF AG

Inventor： KRONER MATTHIAS ,  HARTMANN HEINRICH ,  SCHORNICK GUNNAR ,  BAUR RICHARD ,  POTTHOFF-KARL BIRGIT ,  SCHWENDEMANN VOLKER

IPC: C08G69/08 ,  C08G69/10 ,  C08G73/00 ,  C08G73/06 ,  C08G73/10 ,  C09B67/46 ,  C09D17/00 ,  C09K23/00 ,  C09K23/52 ,  C11D3/37

Abstract: PCT No. PCT/EP93/03641 Sec. 371 Date Jun. 26, 1995 Sec. 102(e) Date Jun. 26, 1995 PCT Filed Dec. 21, 1993 PCT Pub. No. WO94/15993 PCT Pub. Date Jul. 21, 1994Process for the preparation of polymers of aspartic acid by reacting (a) maleic anhydride and (b) ammonia and/or primary or secondary amines without diluent in the (a):(b) molar ratio of 1:0.1 to 1:3 to give monoamides of maleic acid, fumaric acid or their ammonium salts at up to 100 DEG C. and subsequent condensation of the reaction products, with or without compounds capable of cocondensation, at above 100 DEG C. and, where appropriate, hydrolysis of the condensates and use of the polymers as scale inhibitor, as dispersants for pigments and as additive to detergents and cleaners.

公开(公告)号：CA2168594A1

公开(公告)日：1996-08-04

申请号：CA2168594

申请日：1996-02-01

Applicant: DENZINGER WALTER ,  KISTENMACHER AXEL ,  PERNER JOHANNES ,  FUNHOFF ANGELIKA ,  POTTHOFF KARL BIRGIT ,  RAUBENHEIMER HANS JUERGEN ,  BASF AG

Inventor： DENZINGER WALTER ,  KISTENMACHER AXEL ,  PERNER JOHANNES ,  FUNHOFF ANGELIKA ,  POTTHOFF-KARL BIRGIT ,  RAUBENHEIMER HANS-JUERGEN

IPC: C08F2/44 ,  C02F5/10 ,  C08F265/00 ,  C08F267/00 ,  C08F267/04 ,  C09K23/52 ,  C11D3/37 ,  C08F265/02 ,  C02F5/08

Abstract: A water-soluble or water-dispersible graft copolymer obtainable by free-radical graft copolymerization of (I) at least one monoethylenically unsaturated monomer onto (II)polymers with a molecular weight of 200 - 5000 of monoethylenically unsaturated dicarboxylic acids or anhydrides thereof using from 5 to 2,000 parts by weight of the monomers (I) per 100 parts by weight of grafting base, a process for preparing the graft copolymers and the use of the graft copolymers as additive to phosphate-free or reduced phosphate textile detergents, as dispersants and preventers of deposits in cleaners for hard surfaces and as water-treatment agents for reducing the deposition of scale and the separation out of water hardness in water-con-veying systems.