-
公开(公告)号：DE59503014D1
公开(公告)日：1998-09-03
申请号：DE59503014
申请日：1995-10-17
Applicant: BASF AG
-
公开(公告)号：AT169046T
公开(公告)日：1998-08-15
申请号：AT94900150
申请日：1993-11-16
Applicant: BASF AG
Inventor： SCHERR GUENTER , REUTHER WOLFGANG , LORENCAK PRIMOZ , MOENCH DIETMAR , LINHART FRIEDRICH , WEISER JUERGEN
IPC: C08G69/48 , C08G18/32 , C08G18/60 , C08G59/14 , C08G73/00 , C08G73/02 , C08G73/04 , D21F1/66 , D21H11/14 , D21H17/46 , D21H17/54 , D21H17/56 , D21H21/10
Abstract: PCT No. PCT/EP93/03205 Sec. 371 Date May 26, 1995 Sec. 102(e) Date May 26, 1995 PCT Filed Nov. 16, 1993 PCT Pub. No. WO94/12560 PCT Pub. Date Jun. 9, 1994.Condensates of polyalkylenepolyamines which are obtainable by (a) partial amidation of polyalkylenepolyamines and (b) condensation of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agents to give crosslinked polyalkylenepolyamines which, in 20% strength aqueous solution at 20 DEG C., have a viscosity of at least 100 mPa.s, processes for the preparation of the condensates of polyalkylenepolyamines by partial amidation of polyalkylenepolyamines with carboxylic acids, carboxylic esters, carboxylic anhydrides or carbonyl halides and crosslinking of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agents, from 0.001 to 10 parts by weight of a crosslinking agent being used per part by weight of the partially amidated polyalkylenepolyamines, and the use of the resulting condensates as drainage aids, flocculants, retention aids and fixing agents in papermaking.
-
公开(公告)号：ES2102197T3
公开(公告)日：1997-07-16
申请号：ES94903802
申请日：1993-12-16
Applicant: BASF AG
Inventor： SCHERR GUENTER , REUTHER WOLFGANG , MOENCH DIETMAR , LINHART FRIEDRICH , WEISER JUERGEN
IPC: C08G18/58 , C08G18/60 , C08G59/14 , C08G59/40 , C08G73/00 , C08G73/02 , D21H17/55 , D21H17/56 , D21H21/10
Abstract: PCT No. PCT/EP93/03573 Sec. 371 Date Jun. 26, 1995 Sec. 102(e) Date Jun. 26, 1995 PCT Filed Dec. 16, 1993 PCT Pub. No. WO94/14873 PCT Pub. Date Jul. 7, 1994There are described water-soluble condensation products of amino-containing compounds and crosslinkers, obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, ethylene-imine-grafted polyamidoamines, polyetheramines and mixtures thereof, with (b) monethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds such as glycidic acid, glycidamide or glycidyl esters, and (c) at least bifunctional crosslinkers having a halo-hydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as functional group, to form water-soluble condensation products having a viscosity of at least 100 mPas in a 20% strength by weight aqueous solution at 20 DEG C., processes for preparing the water-soluble condensation products by reacting the abovementioned compounds of groups (a), (b) and (c), and the use of the condensation products as drainage, flocculation and retention aids in papermaking.
-
公开(公告)号：FI971832A0
公开(公告)日：1997-04-29
申请号：FI971832
申请日：1997-04-29
Applicant: BASF AG
-
公开(公告)号：AT139279T
公开(公告)日：1996-06-15
申请号：AT94901873
申请日：1993-11-25
Applicant: BASF AG
Inventor： NILZ CLAUDIA , DENZINGER WALTER , HARTMANN HEINRICH , KROENER MICHAEL , LINHART FRIEDRICH , SCHUHMACHER RUDOLF , MOENCH DIETMAR , STANGE ANDREAS
IPC: C08F220/04 , C08F8/12 , C08F26/00 , C08F226/02 , D21H17/34 , D21H17/37 , D21H17/43 , D21H17/45 , D21H21/10 , D21H21/18
-
Patent Agency Ranking
公开(公告)号：AU3746495A
公开(公告)日：1996-05-23
申请号：AU3746495
申请日：1995-10-17
Applicant: BASF AG
-
公开(公告)号：FI952739A
公开(公告)日：1995-06-05
申请号：FI952739
申请日：1995-06-05
Applicant: BASF AG
Inventor： NILZ CLAUDIA , DENZINGER WALTER , HARTMANN HEINRICH , KROENER MICHAEL , LINHART FRIEDRICH , SCHUHMACHER RUDOLF , MOENCH DIETMAR , STANGE ANDREAS
-
公开(公告)号：NO910283A
公开(公告)日：1991-07-26
申请号：NO910283
申请日：1991-01-24
Applicant: BASF AG
Inventor： FREUDENBERG ENRIQUE , LINHART FRIEDRICH , TRESCH RAINER , HARTMANN HEINRICH , DENZINGER WALTER , KROENER MICHAEL , SENDHOFF NORBERT
CPC classification number: D21H17/34
-
公开(公告)号：DK161099B
公开(公告)日：1991-05-27
申请号：DK321382
申请日：1982-07-16
Applicant: BASF AG
Inventor： BRUNNMUELLER FRITZ , SCHNEIDER ROLF , KROENER MICHAEL , MUELLER HANS , LINHART FRIEDRICH , BURKERT HANS , BEYER KARL-HEINZ
IPC: C08F8/00 , C08F226/02 , D21C9/18 , D21H17/34 , D21H17/45 , C08F126/02 , B01D21/01 , C02F11/14 , D21H17/55
-
公开(公告)号：FI910328A0
公开(公告)日：1991-01-22
申请号：FI910328
申请日：1991-01-22
Applicant: BASF AG
Inventor： FREUDENBERG ENRIQUE , LINHART FRIEDRICH , TRESCH RAINER , HARTMANN HEINRICH , DENZINGER WALTER , KROENER MICHAEL , SENDHOFF NORBERT
Abstract: In a process for making paper, paperboard and cardboard, paper pulps containing interfering materials are dehydrated in the presence of polymers which, as characteristic constituents, contain copolymerised units of the formulae … … with R and R = H or C1- to C3-alkyl, and have K values of at least 130, the polymers containing less than 10 mol% of units of formula II.
-
-
-
-
-
-
-
-
-
Search Results
229
records
(took 0.037 seconds)
