公开(公告)号：DE59306690D1

公开(公告)日：1997-07-10

申请号：DE59306690

申请日：1993-07-08

Applicant: BASF AG

Inventor： BOECKH DIETER ,  FUNHOFF ANGELIKA ,  KRONER MATTHIAS ,  HARTMANN HEINRICH ,  BAUR RICHARD ,  KUD ALEXANDER ,  SCHWENDEMANN VOLKER

IPC: C07C229/22 ,  C07C235/10 ,  C07C235/12 ,  C07D317/34 ,  C08B31/04 ,  C08G16/00 ,  C08G63/91 ,  C08G69/00 ,  C08G69/50 ,  C08G73/02 ,  C11D3/16 ,  C11D3/37

公开(公告)号：ES2101517T3

公开(公告)日：1997-07-01

申请号：ES94909115

申请日：1994-03-05

Applicant: BASF AG

Inventor： KRONER MATTHIAS ,  SCHORNICK GUNNAR ,  DENZINGER WALTER ,  BAUR RICHARD ,  KUD ALEXANDER ,  POTTHOFF-KARL BIRGIT

IPC: C08F8/14 ,  C08F8/30 ,  C08F8/44 ,  C08F8/48 ,  C08G69/10 ,  C08G73/06 ,  C08G73/10 ,  C09K23/00 ,  C09K23/52 ,  C11D3/37

Abstract: PCT No. PCT/EP94/00660 Sec. 371 Date Sep. 13, 1995 Sec. 102(e) Date Sep. 13, 1995 PCT Filed Mar. 5, 1994 PCT Pub. No. WO94/21695 PCT Pub. Date Sep. 29, 1994Polycocondensates based on aspartic acid which are obtainable by condensing aspartic acid in the presence of polymers containing carboxyl groups, which contain at least 10 mol % of a monoethylenically unsaturated carboxylic acid in copolymerized form and have a molecular weight of at least 300, in the weight ratio from 1,000:1 to 2:1, processes for preparing the polycocondensates and use of the polycocondensates in the form of the free acid groups or in a form neutralized with ammonia, amines, alkali metal or alkaline earth metal bases as an additive to detergents and cleaners, as scale inhibitors or as dispersants for finely divided solids are described.

公开(公告)号：AT153347T

公开(公告)日：1997-06-15

申请号：AT94909115

申请日：1994-03-05

Applicant: BASF AG

Inventor： KRONER MATTHIAS ,  SCHORNICK GUNNAR ,  DENZINGER WALTER ,  BAUR RICHARD ,  KUD ALEXANDER ,  POTTHOFF-KARL BIRGIT ,  SCHWENDEMANN VOLKER

IPC: C08F8/14 ,  C08F8/30 ,  C08F8/44 ,  C08F8/48 ,  C08G69/10 ,  C08G73/06 ,  C08G73/10 ,  C09K23/00 ,  C09K23/52 ,  C11D3/37

Abstract: PCT No. PCT/EP94/00660 Sec. 371 Date Sep. 13, 1995 Sec. 102(e) Date Sep. 13, 1995 PCT Filed Mar. 5, 1994 PCT Pub. No. WO94/21695 PCT Pub. Date Sep. 29, 1994Polycocondensates based on aspartic acid which are obtainable by condensing aspartic acid in the presence of polymers containing carboxyl groups, which contain at least 10 mol % of a monoethylenically unsaturated carboxylic acid in copolymerized form and have a molecular weight of at least 300, in the weight ratio from 1,000:1 to 2:1, processes for preparing the polycocondensates and use of the polycocondensates in the form of the free acid groups or in a form neutralized with ammonia, amines, alkali metal or alkaline earth metal bases as an additive to detergents and cleaners, as scale inhibitors or as dispersants for finely divided solids are described.

公开(公告)号：DE59305818D1

公开(公告)日：1997-04-17

申请号：DE59305818

申请日：1993-12-21

Applicant: BASF AG

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

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：DE59305089D1

公开(公告)日：1997-02-20

申请号：DE59305089

申请日：1993-08-16

Applicant: BASF AG

Inventor： FUNHOFF ANGELIKA ,  MC KEE GRAHAM ,  HARTMANN HEINRICH ,  BAUR RICHARD ,  KUD ALEXANDER ,  SCHWENDEMANN VOLKER

IPC: C08G2/12 ,  C08G2/18 ,  C08G2/28 ,  C08G2/30 ,  C08G4/00 ,  C08G12/18 ,  C09K23/00 ,  C09K23/52 ,  C11D3/37

Abstract: PCT No. PCT/EP93/02176 Sec. 371 Date Feb. 2, 1995 Sec. 102(e) Date Feb. 2, 1995 PCT Filed Aug. 16, 1993 PCT Pub. No. WO94/04585 PCT Pub. Date Mar. 3, 1994.A process for preparing polyacetals by copolymerization of glyoxylic esters with other copolymerizable monomers in the presence of anionic or cationic polymerization initiators, with or without the introduction of stable end groups and with or without hydrolysis of the copolymerized units of glyoxylic ester present in the copolymer comprises using as monomers cyclic formals derived from diols, homopolymers of formaldehyde, trioxepane or mixtures thereof, although up to 50% by weight of this group of monomers may be replaced by other customary copolymerizable monomers, and the poly(acetal-carboxylate)s thus obtainable are useful as additives in reduced-phosphate and phosphate-free detergents and cleaners, as water treatment agents and as dispersants for finely divided substances.

公开(公告)号：CA2169130A1

公开(公告)日：1996-08-26

申请号：CA2169130

申请日：1996-02-08

Applicant: BOECKH DIETER ,  JAGER HANS ULRICH ,  KUD ALEXANDER ,  TRIESELT WOLFGANG ,  BUEHLER WOLFGANG ,  BASF AG

Inventor： BOECKH DIETER ,  JAGER HANS-ULRICH ,  KUD ALEXANDER ,  TRIESELT WOLFGANG ,  BUEHLER WOLFGANG

IPC: C08J3/00 ,  C08J3/12 ,  C08L101/00 ,  C11D3/37 ,  C08L67/00 ,  C08L101/08

Abstract: A process for preparing finely divided mixtures of amphiphilic polymers and polycarboxylates, which comprises mixing (a) aqueous dispersions or colloidal aqueous solutions with at least one amphiphilic polymer, and (b) an aqueous solution of a polycarboxylate in a weight ratio of (a) : (b) of from 1 : 1 to 1 : 20, each based on the solids, or dispersing at least one amphiphilic polymer in an aqueous solution of a polycarboxylate, and spray-drying the dispersions thus obtainable to form finely divided polymer mixtures, use of the finely divided polymer mixtures as ingredient of detergent and as laundry aftertreatment, and finely divided polymer mixtures having a particle size from 20 .mu.m to 3 mm prepared by the above-indicated process.

公开(公告)号：FI960841A0

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：CA2193126A1

公开(公告)日：1995-12-21

申请号：CA2193126

申请日：1995-05-31

Applicant: BASF AG

Inventor： BOECKH DIETER ,  KISTENMACHER AXEL ,  DENZINGER WALTER ,  RUEHL THOMAS ,  FUNHOFF ANGELIKA ,  BAUR RICHARD ,  KUD ALEXANDER ,  SCHWENDEMANN VOLKER

IPC: C08F218/06 ,  C08F220/04 ,  C08F222/02 ,  C11D3/37 ,  C08F222/04

Abstract: Vinyl formate copolymers, preparation thereof, and use thereof in detergents and cleaners Copolymers containing (a) from 5 to 90 mol% of vinyl formate units, (b) from 10 to 95 mol% of units of monoethylenically unsaturated carboxylic acids, (c) from 0 to 70 mol% of units of monoethylenically unsaturated dicarboxylic acids, and (d) from 0 to 30 mol% of units of other monoethylenically unsaturated monomers in copolymerized form and having K values of at least 8 (determined by the method of H. Fikentscher in 1% strength by weight aqueous solution on the sodium salt of the copolymers at pH 7 and 25 C), processes for their preparation by copolymerizing monomer mixtures of (a) from 5 to 90 mol% of vinyl formate, (b) from 10 to 95 mol% of monoethylenically unsaturated carboxylic acids, (c) from 0 to 70 mol% of monoethylenically unsaturated dicarboxylic acids, and (d) from 0 to 30 mol% of other monoethylenically unsaturated monomers in an aqueous medium or in an organic solvent in the presence of free-radical polymerization initiators and use of the vinyl formate copolymers and of the vinyl alcohol copolymers obtainable therefrom by hydrolysis and/or oxidation as detergent and cleaner additives.

公开(公告)号：CA2005139A1

公开(公告)日：1990-07-05

申请号：CA2005139

申请日：1989-12-11

Applicant: BASF AG

Inventor： BOECKH DIETER ,  SEELMANN-EGGEBERT HANS-PETER ,  HARTMANN HEINRICH ,  KOEFFER DIETER ,  TRIESELT WOLFGANG ,  KUD ALEXANDER ,  BAUR RICHARD

IPC: C08F8/00 ,  C08F222/04 ,  C11D3/37 ,  C08F222/06

Abstract: O.Z. 0050/40455 of the Disclosure: Pulverulent and liquid detergents contain (1) one or more anionic surfactants, one or more nonionic surfactants or mixtures thereof and (2) copolymers in amounts of from 0.1 to 15 % by weight preparable by copolymerization of (a) from 10 to 55 mol % of a 1,2-di-C1-C4-alkoxyethylene, (b) from 10 to 60 mol % of a monoethylenically unsatur ated dicarboxylic anhydride of from 4 to 8 carbon atoms, (c) from 0 to 60 mol % of a monoethylenically unsatur ated C3-C8-monocarboxylic acid and (d) from 0 to 20 mol % of another monoethylenically unsaturated monomer and subsequent hydrolysis of the anhydride groups of the copolymerized monomer (b) or reaction of these groups with an alcohol or an amino.