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公开(公告)号：CA2633612C
公开(公告)日：2015-03-24
申请号：CA2633612
申请日：2007-01-05
Applicant: BASF SE
Inventor： PFEIFFER THOMAS , WITTELER HELMUT , DIETSCHE FRANK , HEIDENFELDER THOMAS , MAEHLING FRANK-OLAF , FECHTENKOETTER ANDREAS , EHLE MICHAEL , NICOLINI FABIO
IPC: C08F8/12 , C08F30/02 , C08F210/02 , C09D5/08
Abstract: The invention relates to copolymers that contain, polymerized into them, as comonomers (a) ethylene, (b) one or more compounds of general formula (I), (c) optionally one or more alkenylphosphonic diesters, (d) optionally one or more additional radically copolymerizable comonomers, the variables being defined as follows: R1 is selected from hydrogen and unbranched or branched C1-C10 alkyl, R2 is selected from hydrogen and unbranched or branched C1-C10 alkyl, R3 is selected from hydrogen, phenyl, benzyl and unbranched or branched C1-C10 alkyl and unbranched or branched hydroxy-C2-C10 alkyl, as a free acid or partially or completely neutralized with alkali metal, alkaline earth metal,
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公开(公告)号：CA2899723A1
公开(公告)日：2014-10-23
申请号：CA2899723
申请日：2014-04-07
Applicant: BASF SE
Inventor： SCHADE CHRISTIAN , EL-TOUFAILI FAISSAL-ALI , FLORES-FIGUEROA AARON , FONSECA GLEDISON , HEUSSLER MICHAELA , SCHWEDE CHRISTIAN , WITTELER HELMUT
Abstract: The present invention relates to a continuous process for the manufacture of highly-branched homo- or copolymers of C3-C8 ethylenically unsaturated mono- or dicarboxylic acid as well as the anhydrides and salts thereof (monomer A) by means of free-radical polymerization of monomer A and optionally water-soluble, monethylenically unsaturated comonomers (monomer B) in an aqueous medium in the presence of at least one water-soluble initiator, wherein the polymerization takes place in at least one tubular reactor segment.
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公开(公告)号：BRPI0714839A2
公开(公告)日：2013-07-09
申请号：BRPI0714839
申请日：2007-07-18
Applicant: BASF SE
Inventor： KLIPPEL FRANK , GOETHLICH ALEXANDER , SCHORNICK GUNNAR , FEHRINGER DIETRICH , HEIDENFELDER THOMAS , WITTELER HELMUT , BERTKAU WALTER
Abstract: Process for passivating metallic surfaces, and a preparation suitable for implementing the process, comprising at least water, an acid, and a copolymer of functionalized (meth)acrylic esters, monomers containing phosphoric and/or phosphonic acid groups, monomers having COOH groups, and, if appropriate, further monomers. Copolymer which comprises said monomers.
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公开(公告)号：AU2011311627A1
公开(公告)日：2013-04-04
申请号：AU2011311627
申请日：2011-10-04
Applicant: BASF SE
Inventor： FESSENBECKER ACHIM , HAAS JENS , RICHTER FRANK , BERTKAU WALTER , SCHADE CHRISTIAN , WITTELER HELMUT
Abstract: The present invention relates to a method for passivating metallic surfaces, wherein the metallic surface is brought into contact with an aqueous composition containing at least one water-soluble polymer (X) that comprises acid groups, and at least one polyamine (P), wherein the pH of the composition is in the range from 0.5 to 2.
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公开(公告)号：MX2012005505A
公开(公告)日：2012-06-14
申请号：MX2012005505
申请日：2010-12-02
Applicant: BASF SE
Inventor： HUEFFER STEPHAN , WITTELER HELMUT , NICOLINI FABIO , SUGIHARTO ALBERT BUDIMAN
IPC: C09D5/00
Abstract: La presente invención se refiere al uso de nanoparticulas oxídicas que tienen un tamaño de partículas promedio que varía de 2 a 2000 nm en combinación con por lo menos un polímero policatiónico como una protección contra corrosión para superficies metálicas, y a un método para proteger la superficie metálicas de corrosión, que comprende los pasos de: i) proveer una formulación que comprende nanopartículas oxídicas (a) y por lo menos un polímero policatiónico (b) y un agente de aplicación, ii) aplicar la formulación de la superficie metálica que será protegida, y iii) secar y/o tratar con calor opcionalmente la superficie.
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Patent Agency Ranking
公开(公告)号：AT521730T
公开(公告)日：2011-09-15
申请号：AT09783874
申请日：2009-10-09
Applicant: BASF SE
Inventor： VANDERMEULEN GUIDO , STRUBEL BERND , WITTELER HELMUT , NEUMANN JESSICA , BERTKAU WALTER , LAUBUSCH BERND , HAAS JENS , HERRLICH-LOOS MIRJAM , LOEW HELMUT , BRAUMANDL WALTER
Abstract: A continuous method for surface treatment of metal strips applies a finish coat having a thickness of not more than 3 μm, the apparatus employed for application being equipped with at least one IR sensor which faces a coated side of the strip, operates in reflection geometry, and serves to measure the coat thickness of the finish coat, with the strip running.
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17.发明专利
公开(公告)号：DE502007004001D1
公开(公告)日：2010-07-15
申请号：DE502007004001
申请日：2007-01-05
Applicant: BASF SE
Inventor： PFEIFFER THOMAS , WITTELER HELMUT , DIETSCHE FRANK , HEIDENFELDER THOMAS , MAEHLING FRANK-OLAF , FECHTENKOETTER ANDREAS , EHLE MICHAEL , NICOLINI FABIO
IPC: C08F8/12 , C08F30/02 , C08F210/02 , C09D5/08
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公开(公告)号：AT469925T
公开(公告)日：2010-06-15
申请号：AT07712004
申请日：2007-01-05
Applicant: BASF SE
Inventor： PFEIFFER THOMAS , WITTELER HELMUT , DIETSCHE FRANK , HEIDENFELDER THOMAS , MAEHLING FRANK-OLAF , FECHTENKOETTER ANDREAS , EHLE MICHAEL , NICOLINI FABIO
IPC: C08F8/12 , C08F30/02 , C08F210/02 , C09D5/08
Abstract: Copolymers comprising as comonomers in copolymerized form: (a) ethylene, (b) one or more compounds of the general formula I (c) if appropriate, one or more alkenylphosphonic diesters, (d) if appropriate, one or more other free-radically copolymerizable comonomers, whose variables are defined as follows: R1 is selected from hydrogen and unbranched and branched C1-C10-alkyl, R2 is selected from hydrogen and unbranched and branched C1-C10-alkyl, R3 is selected from hydrogen, phenyl, benzyl, and unbranched and branched C1-C10-alkyl and unbranched and branched hydroxy-C2-C10-alkyl, as free acid or partially or completely neutralized with alkali metal, alkaline earth metal, ammonia or organic amine.
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公开(公告)号：ZA200808279B
公开(公告)日：2009-12-30
申请号：ZA200808279
申请日：2008-09-29
Applicant: BASF SE
IPC: C22B20100101
Abstract: Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.
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公开(公告)号：AT441738T
公开(公告)日：2009-09-15
申请号：AT06777316
申请日：2006-06-13
Applicant: BASF SE
Inventor： WITTELER HELMUT , BERTKAU WALTER , HEIDENFELDER THOMAS , GITHLICH ALEXANDER
IPC: C23C22/53 , C08L33/14 , C09D133/14 , C23C22/56
Abstract: Process for the passivation of metallic surfaces, in particular of strip metals, by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and at least one wax.
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