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公开(公告)号：KR977006335A
公开(公告)日：1997-11-03
申请号：KR19977002216
申请日：1997-04-04
Applicant: BASF AG
Inventor： MOHR JURGEN , KNAUF WOLFGANG , BALZER WOLF-DIETER , OPPENLANDER KNUT , SLOTMAN WILHELMUS
CPC classification number: B01D17/047 , C07C213/04 , C08G65/2696 , C08G73/0213 , C10G33/04
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公开(公告)号：DE59505927D1
公开(公告)日：1999-06-17
申请号：DE59505927
申请日：1995-09-26
Applicant: BASF AG
Inventor： MOHR JUERGEN , KNAUF WOLFGANG , BALZER WOLF-DIETER , OPPENLAENDER KNUT , SLOTMAN WILHELMUS
Abstract: PCT No. PCT/EP95/03809 Sec. 371 Date Apr. 7, 1997 Sec. 102(e) Date Apr. 7, 1997 PCT Filed Sep. 26, 1995 PCT Pub. No. WO96/11225 PCT Pub. Date Apr. 18, 1996The preparation of alkoxylates of oligoamines or polyamines by a two-stage procedure where, in the first stage, one molecule of alkylene oxide per NH group is added onto the oligoamines or polyamines in the presence of water, alcohols or acids or a mixture thereof in the absence of a neutral or basic catalyst and, in the second stage, after removal of water and acids reaction with further alkylene oxide is carried out in the presence of a conventional neutral or basic catalyst, entails, before the second stage is carried out, an organic solvent or diluent or a mixture thereof from the group of (a) alcohols and phenols and their alkoxylates, (b) polyalcohols based on ethylene oxide, propylene oxide, butylene oxide or a mixture thereof, (c) N-substituted carboxamides, (d) alkanolmonoamines and alkanolpolyamines and their alkoxylates, (e) other alkoxylates of oligoamines or polyamines, (f) aromatic hydrocarbons, (g) aliphatic hydrocarbons, (h) ethers and (i) sulfones or sulfoxides being added.
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公开(公告)号：NO302171B1
公开(公告)日：1998-02-02
申请号：NO920440
申请日：1992-02-03
Applicant: BASF AG
Inventor： OPPENLAENDER KNUT , WEGNER BRIGITTE , SLOTMAN WILHELMUS
IPC: C07D295/13 , C09K8/54 , C23F11/14 , E21B41/02
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公开(公告)号：DE19540090A1
公开(公告)日：1997-04-30
申请号：DE19540090
申请日：1995-10-27
Applicant: BASF AG
Inventor： GREIF NORBERT DR , POTTHOFF-KARL BIRGIT DR , OPPENLAENDER KNUT DR , EHLE MICHAEL DR , OETTER GUENTER DR , SLOTMAN WILHELMUS , BUECHNER KARL-HEINZ
Abstract: Polycarboxylic acid semi-amides prepared by reaction of (a) polymers with Mw 200-100,000, containing anhydride groups, and (b) sarcosin, taurin, aminophosphonic acids or their alkali metal salts, are used as scale inhibitors.
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公开(公告)号：NO971540L
公开(公告)日：1997-04-04
申请号：NO971540
申请日：1997-04-04
Applicant: BASF AG
Inventor： MOHR JUERGEN , KNAUF WOLFGANG , BALZER WOLF-DIETER , OPPENLAENDER KNUT , SLOTMAN WILHELMUS
Abstract: PCT No. PCT/EP95/03809 Sec. 371 Date Apr. 7, 1997 Sec. 102(e) Date Apr. 7, 1997 PCT Filed Sep. 26, 1995 PCT Pub. No. WO96/11225 PCT Pub. Date Apr. 18, 1996The preparation of alkoxylates of oligoamines or polyamines by a two-stage procedure where, in the first stage, one molecule of alkylene oxide per NH group is added onto the oligoamines or polyamines in the presence of water, alcohols or acids or a mixture thereof in the absence of a neutral or basic catalyst and, in the second stage, after removal of water and acids reaction with further alkylene oxide is carried out in the presence of a conventional neutral or basic catalyst, entails, before the second stage is carried out, an organic solvent or diluent or a mixture thereof from the group of (a) alcohols and phenols and their alkoxylates, (b) polyalcohols based on ethylene oxide, propylene oxide, butylene oxide or a mixture thereof, (c) N-substituted carboxamides, (d) alkanolmonoamines and alkanolpolyamines and their alkoxylates, (e) other alkoxylates of oligoamines or polyamines, (f) aromatic hydrocarbons, (g) aliphatic hydrocarbons, (h) ethers and (i) sulfones or sulfoxides being added.
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Patent Agency Ranking
公开(公告)号：FI971418A
公开(公告)日：1997-04-04
申请号：FI971418
申请日：1997-04-04
Applicant: BASF AG
Inventor： MOHR JUERGEN , KNAUF WILFGANG , BALZER WOLF-DIETER , OPPENLAENDER KNUT , SLOTMAN WILHELMUS
IPC: C10G21/28 , B01D17/04 , C07C213/04 , C08F8/00 , C08G65/26 , C08G73/02 , C08G73/04 , C10G33/04 , C08G
Abstract: PCT No. PCT/EP95/03809 Sec. 371 Date Apr. 7, 1997 Sec. 102(e) Date Apr. 7, 1997 PCT Filed Sep. 26, 1995 PCT Pub. No. WO96/11225 PCT Pub. Date Apr. 18, 1996The preparation of alkoxylates of oligoamines or polyamines by a two-stage procedure where, in the first stage, one molecule of alkylene oxide per NH group is added onto the oligoamines or polyamines in the presence of water, alcohols or acids or a mixture thereof in the absence of a neutral or basic catalyst and, in the second stage, after removal of water and acids reaction with further alkylene oxide is carried out in the presence of a conventional neutral or basic catalyst, entails, before the second stage is carried out, an organic solvent or diluent or a mixture thereof from the group of (a) alcohols and phenols and their alkoxylates, (b) polyalcohols based on ethylene oxide, propylene oxide, butylene oxide or a mixture thereof, (c) N-substituted carboxamides, (d) alkanolmonoamines and alkanolpolyamines and their alkoxylates, (e) other alkoxylates of oligoamines or polyamines, (f) aromatic hydrocarbons, (g) aliphatic hydrocarbons, (h) ethers and (i) sulfones or sulfoxides being added.
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公开(公告)号：AU3742595A
公开(公告)日：1996-05-02
申请号：AU3742595
申请日：1995-09-26
Applicant: BASF AG
Inventor： MOHR JURGEN , KNAUF WOLFGANG , BALZER WOLF-DIETER , OPPENLANDER KNUT , SLOTMAN WILHELMUS
Abstract: PCT No. PCT/EP95/03809 Sec. 371 Date Apr. 7, 1997 Sec. 102(e) Date Apr. 7, 1997 PCT Filed Sep. 26, 1995 PCT Pub. No. WO96/11225 PCT Pub. Date Apr. 18, 1996The preparation of alkoxylates of oligoamines or polyamines by a two-stage procedure where, in the first stage, one molecule of alkylene oxide per NH group is added onto the oligoamines or polyamines in the presence of water, alcohols or acids or a mixture thereof in the absence of a neutral or basic catalyst and, in the second stage, after removal of water and acids reaction with further alkylene oxide is carried out in the presence of a conventional neutral or basic catalyst, entails, before the second stage is carried out, an organic solvent or diluent or a mixture thereof from the group of (a) alcohols and phenols and their alkoxylates, (b) polyalcohols based on ethylene oxide, propylene oxide, butylene oxide or a mixture thereof, (c) N-substituted carboxamides, (d) alkanolmonoamines and alkanolpolyamines and their alkoxylates, (e) other alkoxylates of oligoamines or polyamines, (f) aromatic hydrocarbons, (g) aliphatic hydrocarbons, (h) ethers and (i) sulfones or sulfoxides being added.
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公开(公告)号：NO955049D0
公开(公告)日：1995-12-13
申请号：NO955049
申请日：1995-12-13
Applicant: BASF AG
Inventor： GREINDL THOMAS , SLOTMAN WILHELMUS
Abstract: Use of glycine-N,N-diacetic acid derivs. of formula (I) as complexing agents for alkaline earth and heavy metal ions in the recovery and transport of crude oil and natural gas is claimed. R=1-30C alkyl or 2-30C alkenyl additionally contg. up to 5 OH's, formyl gps., 1-4C alkoxy, phenoxy or 1-4C alkoxycarbonyl, and which can be interrupted by up to 5 non-neighbouring O atoms, alkoxylate gps. of formula: -(CH2)k-O-(A1O)m-(A2O)n-Y (where A1 and A2=1,2-alkylene with 2-4C atoms; Y=H, 1-12C alkyl, phenyl, or 1-4C alkoxycarbonyl; and k=1-3; m and n=0-50; m+n=at least 4); 1-20C phenylalkyl gps.; a 5- or 6-membered (un)satd. heterocyclic ring with up to 3 heteroatoms selected from N, O and S, which can be benzanellated; 1-20C alkyl, where all phenyl cores and heterocyclic rings additionally contain up to 3 1-4C alkyls, OH, carboxyl, sulpho groups or 1-4C alkoxycarbonyl groups; or a residue of formula (II). A=1-12C alkylene bridges or a chemical bond; M=H, alkali(ne earth), NH4 or substd. NH4.
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公开(公告)号：FI971418A0
公开(公告)日：1997-04-04
申请号：FI971418
申请日：1997-04-04
Applicant: BASF AG
Inventor： MOHR JUERGEN , KNAUF WILFGANG , BALZER WOLF-DIETER , OPPENLAENDER KNUT , SLOTMAN WILHELMUS
IPC: C10G21/28 , B01D17/04 , C07C213/04 , C08F8/00 , C08G65/26 , C08G73/02 , C08G73/04 , C10G33/04 , C08G
Abstract: PCT No. PCT/EP95/03809 Sec. 371 Date Apr. 7, 1997 Sec. 102(e) Date Apr. 7, 1997 PCT Filed Sep. 26, 1995 PCT Pub. No. WO96/11225 PCT Pub. Date Apr. 18, 1996The preparation of alkoxylates of oligoamines or polyamines by a two-stage procedure where, in the first stage, one molecule of alkylene oxide per NH group is added onto the oligoamines or polyamines in the presence of water, alcohols or acids or a mixture thereof in the absence of a neutral or basic catalyst and, in the second stage, after removal of water and acids reaction with further alkylene oxide is carried out in the presence of a conventional neutral or basic catalyst, entails, before the second stage is carried out, an organic solvent or diluent or a mixture thereof from the group of (a) alcohols and phenols and their alkoxylates, (b) polyalcohols based on ethylene oxide, propylene oxide, butylene oxide or a mixture thereof, (c) N-substituted carboxamides, (d) alkanolmonoamines and alkanolpolyamines and their alkoxylates, (e) other alkoxylates of oligoamines or polyamines, (f) aromatic hydrocarbons, (g) aliphatic hydrocarbons, (h) ethers and (i) sulfones or sulfoxides being added.
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公开(公告)号：NO955049L
公开(公告)日：1996-06-17
申请号：NO955049
申请日：1995-12-13
Applicant: BASF AG
Inventor： GREINDL THOMAS , SLOTMAN WILHELMUS
Abstract: Use of glycine-N,N-diacetic acid derivs. of formula (I) as complexing agents for alkaline earth and heavy metal ions in the recovery and transport of crude oil and natural gas is claimed. R=1-30C alkyl or 2-30C alkenyl additionally contg. up to 5 OH's, formyl gps., 1-4C alkoxy, phenoxy or 1-4C alkoxycarbonyl, and which can be interrupted by up to 5 non-neighbouring O atoms, alkoxylate gps. of formula: -(CH2)k-O-(A1O)m-(A2O)n-Y (where A1 and A2=1,2-alkylene with 2-4C atoms; Y=H, 1-12C alkyl, phenyl, or 1-4C alkoxycarbonyl; and k=1-3; m and n=0-50; m+n=at least 4); 1-20C phenylalkyl gps.; a 5- or 6-membered (un)satd. heterocyclic ring with up to 3 heteroatoms selected from N, O and S, which can be benzanellated; 1-20C alkyl, where all phenyl cores and heterocyclic rings additionally contain up to 3 1-4C alkyls, OH, carboxyl, sulpho groups or 1-4C alkoxycarbonyl groups; or a residue of formula (II). A=1-12C alkylene bridges or a chemical bond; M=H, alkali(ne earth), NH4 or substd. NH4.
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