Patents by Inventor Martin Reif
Martin Reif has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9039927Abstract: Process for the preparation of etherified melamine/formaldehyde condensates, in which first a methylolation of melamine with a formaldehyde component in the molar ratio of from 1:6 to 1:15, preferably at a pH of >7, is carried out. This is followed by an etherification of the resulting hydroxymethylation intermediate in the presence of a C1-C20-alkyl, preferably of a C1-C6-alcohol, particularly preferably of a C1-C4-alcohol, at a pH of <4.5, and subsequently by at least one distillation step in order to remove in particular methanol from the system, the pH of >9.5 being established before, during and/or after the distillation. According to the invention, a plurality of hydroxymethylation, etherification and distillation steps follow in order to achieve an etherified melamine/formaldehyde condensate which is distinguished by a high degree of hydroxymethylation, a high solids content and a low viscosity.Type: GrantFiled: December 7, 2006Date of Patent: May 26, 2015Assignee: BASF SEInventors: Andreas Eichfelder, Rainer Erhardt, Martin Reif, Eva Ruba, Günter Scherr, Jörg Schneider, Dieter Weilacher
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Publication number: 20150045500Abstract: The present invention relates to processes for discontinuously or continuously preparing aminoplast solutions by condensation of aminoplast formers with formaldehyde in a serial cascade of at least three stirred tank apparatus A, B, and C, which involves a) in apparatus A, reacting a mixture comprising formaldehyde and urea in a molar ratio of 2.3:1 to 2.9:1 and water at a pH of 6 to 8, set by means of a base, at a temperature of 80 to 85° C., where apparatus A consists of one or more, i.e., one to ten, preferably one to five, more preferably one to three, more particularly one or two stirred tanks in parallel or in series, very preferably of one stirred tank, b) in apparatus B, reacting said mixture at a molar ratio of formaldehyde to urea of 1.9:1 to 2.6:1, where apparatus B consists of one or more stirred tanks, wherein the molar ratio of formaldehyde to urea is lowered, optionally by further addition of urea, in stages to not less than 1.9:1, at a pH of 3.5 to 5.Type: ApplicationFiled: August 5, 2014Publication date: February 12, 2015Inventors: Michael FINKENAUER, Evelyn Fuchs, Ralph Lunkwitz, Oliver Reese, Konrad Roschmann, Michael Schmidt, Martin Reif, Stephan Weinkötz
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Patent number: 8062416Abstract: The invention provides a process for preparing uncoated, readily dispersible C.I. Pigment Red 112 by azo coupling in a microreactor, which comprises precipitating the coupling component in an upstream microreactor and coupling the precipitated coupling component in finely divided form to the diazo component in a microreactor. The C.I. Pigment Red 112 of the invention features low dispersion harshness in alkyd resin varnish, and a PCB content of below 25 ppm.Type: GrantFiled: February 26, 2010Date of Patent: November 22, 2011Assignee: Clariant Finance (BVI) LimitedInventors: Lars Schneider, Martin Reif
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Patent number: 8034929Abstract: The invention relates to a process for preparing polymethylolated melamine and polymethylolated melamine compounds polyetherified with alkanol, wherein the methylolation reaction is carried out in a kneading reactor.Type: GrantFiled: January 13, 2005Date of Patent: October 11, 2011Assignee: BASF SEInventors: Jörg Schneider, Günter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Hans Schupp, Christel Hittinger, Alain Robert
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Patent number: 8030485Abstract: The invention relates to a process for preparing free-flowing, pulverulent alkoxycarbonylaminotriazine from an alkanolic reaction mixture which is obtained in the preparation of alkoxycarbonylaminotriazines and comprises at least one alkoxycarbonylaminotriazine, at least one cyclic and/or acyclic carbonic ester, at least one C1-C13-alkanol which optionally comprises one or two oxygen atoms in the form of ether bonds and is optionally substituted by C1-C4-alkyl and/or hydroxyl, and also at least one alkali metal or alkaline earth metal alkoxide, with or without melamine and with or without catalyst, by atomizing and drying the reaction mixture in a spray drier.Type: GrantFiled: May 31, 2006Date of Patent: October 4, 2011Assignee: BASF AktiengesellschaftInventors: Joerg Schneider, Guenter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Georg Sieder, Thomas Holtmann, Juergen Ciprian, Hermann Ascherl
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Publication number: 20100229760Abstract: The invention provides a process for preparing uncoated, readily dispersible C.I. Pigment Red 112 by azo coupling in a microreactor, which comprises precipitating the coupling component in an upstream microreactor and coupling the precipitated coupling component in finely divided form to the diazo component in a microreactor. The C.I. Pigment Red 112 of the invention features low dispersion harshness in alkyd resin varnish, and a PCB content of below 25 ppm.Type: ApplicationFiled: February 26, 2010Publication date: September 16, 2010Applicant: CLARIANT INTERNATIONAL LTD.Inventors: Lars SCHNEIDER, Martin REIF
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Publication number: 20100113693Abstract: The invention relates to a process for preparing polymethylolated melamine and polymethylolated melamine compounds polyetherified with alkanol, wherein the methylolation reaction is carried out in a kneading reactor.Type: ApplicationFiled: January 13, 2005Publication date: May 6, 2010Applicant: BASF AktiengesellschaftInventors: Jörg Schneider, Günter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Hans Schupp, Christel Hittinger, Alain Robert
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Patent number: 7637115Abstract: The invention relates to an expansion device for a refrigerant, in particular an expansion device to control the high-pressure level of an air conditioner. In accordance with the invention, it is provided that the expansion device (16) is a sliding seat valve (22). In addition, the invention relates to an air conditioner (10), in particular an air conditioner (10) for a motor vehicle, with a compressor (12), a condenser or gas cooler (14), an expansion device (16) as well as an evaporator (18). In accordance with the invention, it is proposed that the expansion device (16) is formed by at least one sliding seat valve (22).Type: GrantFiled: November 6, 2003Date of Patent: December 29, 2009Assignee: Robert Bosch GmbHInventors: Jochen Wessner, Peter Horstmann, Peter Satzger, Tilman Miehle, Martin Reif
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Publication number: 20090121181Abstract: Process for the preparation of etherified melamine/formaldehyde condensates, in which first a methylolation of melamine with a formaldehyde component in the molar ratio of from 1:6 to 1:15, preferably at a pH of >7, is carried out. This is followed by an etherification of the resulting hydroxymethylation intermediate in the presence of a C1-C20-alkyl, preferably of a C1-C6-alcohol, particularly preferably of a C1-C4-alcohol, at a pH of <4.5, and subsequently by at least one distillation step in order to remove in particular methanol from the system, the pH of >9.5 being established before, during and/or after the distillation. According to the invention, a plurality of hydroxymethylation, etherification and distillation steps follow in order to achieve an etherified melamine/formaldehyde condensate which is distinguished by a high degree of hydroxymethylation, a high solids content and a low viscosity.Type: ApplicationFiled: December 7, 2006Publication date: May 14, 2009Applicant: BASF SE Patents and Trademarks and LicensesInventors: Andreas Eichfelder, Rainer Erhardt, Martin Reif, Eva Ruba, Gunter Scherr, Jorg Schneider, Dieter Weilacher
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Patent number: 7507818Abstract: In a process for preparing alkoxycarbonylaminotriazines, di- or triaminotriazines are reacted with cyclic carbonic esters and optionally with minor amounts of acyclic carbonic esters in the presence of an alcohol and of an alkali metal alkoxide or alkaline earth metal alkoxide as a base.Type: GrantFiled: December 16, 2003Date of Patent: March 24, 2009Assignee: BASF AktiengesellschaftInventors: Joerg Schneider, Guenter Scherr, Hans Schupp, Andreas Eichfelder, Alain Robert, Martin Reif
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Publication number: 20080306261Abstract: Processes comprising: providing an alkanolic reaction mixture, the alkanolic reaction mixture comprising: at least one alkoxycarbonylaminotriazine; at least one carbonic ester; at least one C1-C13-alkanol, which alkanol may further comprise up to two ether-bound oxygen atoms and may further comprise a substituent selected from the group consisting of C1-C4-alkyls and hydroxyls; and at least one alkali metal alkoxide or alkaline earth metal alkoxide; and subjecting the alkanolic reaction mixture to extraction with a polar extractant such that at least a portion of polar/ionic components present in the reaction mixture are removed, wherein the polar extractant is less than entirely miscible with an organic phase of the reaction mixture, to form an alkanolic phase comprising the at least one alkoxycarbonylaminotriazine and a polar phase comprising the polar extractant and the portion of polar/ionic components; and wherein the extraction is carried out with one or more selected from the group consisting of mixer/Type: ApplicationFiled: June 2, 2006Publication date: December 11, 2008Applicant: BASF AktiengesellschaftInventors: Jörg Schneider, Gunter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Georg Sieder, Thomas Holtmann, Jurgen Ciprian, Hermann Ascherl
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Publication number: 20080275236Abstract: The invention relates to a process for removing salts from an alkanolic reaction mixture which is obtained in the preparation of alkoxycarbonylaminotriazines and comprises at least one alkoxycarbonylaminotriazine, at least one cyclic and/or acyclic carbonic ester, at least one C1-C13-alkanol which optionally comprises one or two oxygen atoms as ether bonds and is optionally substituted by C1-C4-alkyl and/or hydroxyl, and also at least one alkali metal alkoxide or alkaline earth metal alkoxide, with or without melamine and with or without catalyst, in which salts are removed from the reaction mixture by ion exchange over a cation exchanger and/or anion exchanger.Type: ApplicationFiled: June 1, 2006Publication date: November 6, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Jorg Schneider, Gunter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Georg Sieder, Thomas Holtmann, Juergen Ciprian, Hermann Ascherl
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Publication number: 20080207866Abstract: The present invention relates to a radiation-curable binder obtainable by reacting A) amine-formaldehyde condensates with a molar ratio of formaldehyde to amino groups of 1:6 to 2:1 with B) a mixture of butanediol monoacrylate and 2-hydroxethyl methacrylate in a ratio of 0.1:100 to 100:0.1, using 0.1 to 1.5 hydroxy equivalents of component B) per methylol equivalent of component A). The present invention further relates to a curable coating composition which comprises the binder of the invention and to a coated article produced using the coating composition.Type: ApplicationFiled: July 21, 2006Publication date: August 28, 2008Applicant: BASF AktiengesellschafInventors: Marta Martin-Portugues, Jorg Schneider, Gunter Scherr, Martin Reif, Wolfgang Paulus, Harald Larbig
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Publication number: 20080207901Abstract: The invention relates to a process for preparing free-flowing, pulverulent alkoxycarbonylaminotriazine from an alkanolic reaction mixture which is obtained in the preparation of alkoxycarbonylaminotriazines and comprises at least one alkoxycarbonylaminotriazine, at least one cyclic and/or acyclic carbonic ester, at least one C1-C13-alkanol which optionally comprises one or two oxygen atoms in the form of ether bonds and is optionally substituted by C1-C4-alkyl and/or hydroxyl, and also at least one alkali metal or alkaline earth metal alkoxide, with or without melamine and with or without catalyst, by atomizing and drying the reaction mixture in a spray drier.Type: ApplicationFiled: May 31, 2006Publication date: August 28, 2008Applicant: BASF AktiengesellschaftInventors: Joerg Schneider, Gunter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Georg Sieder, Thomas Holtmann, Jurgen Ciprian, Hermann Ascherl
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Publication number: 20080114097Abstract: The invention relates to an aqueous impregnating resin solution containing (A) between 77.5 and 99.8 wt. %, in relation to the impregnating resin solution, of aqueous condensates based on melamine and formaldehyde; (B) between 0.1 and 20 wt. %, in relation to the impregnating resin solution, of at least one specific quaternary ammonium compound; and (C) between 0.1 and 2.5 wt. %, in relation to the impregnating resin solution, of an aqueous hardener solution. The invention also relates to an aqueous impregnating resin solution consisting of constituents (A) and (B), and to an aqueous hardener mixture consisting of constituents (B) and (C). The invention further relates to an impregnating resin film containing fibrous substances containing cellulose and impregnated with the aqueous impregnating resin solution, and to the use of the aqueous impregnating resin solution, or impregnating resin film, for the antistatic finishing of coated materials.Type: ApplicationFiled: October 6, 2005Publication date: May 15, 2008Applicant: BASF AktiengesellschaftInventors: Ralph Lunkwitz, Alain Robert, Jakob Decher, Tilo Horstmann, Martin Reif, Christof Jackh
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Patent number: 7371856Abstract: A process is described for preparing alkoxycarbonylaminotriazines by reacting di- or triaminotriazines with dimethyl carbonate in the presence of an alcohol and of an alkali metal or alkaline earth metal methoxide base.Type: GrantFiled: December 12, 2006Date of Patent: May 13, 2008Assignee: BASF AktiengesellschaftInventors: Joerg Schneider, Guenter Scherr, Hans Schupp, Andreas Eichfelder, Alain Robert, Martin Reif
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Publication number: 20070083047Abstract: A process is described for preparing alkoxycarbonylaminotriazines by reacting di- or triaminotriazines with dimethyl carbonate in the presence of an alcohol and of an alkali metal or alkaline earth metal methoxide base.Type: ApplicationFiled: December 12, 2006Publication date: April 12, 2007Applicant: BASF AktiengesellschaftInventors: Jorg Schneider, Gunter Scherr, Hans Schupp, Andreas Eichfelder, Alain Robert, Martin Reif
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Publication number: 20070082128Abstract: The invention relates to a method for coating a substrate with a metal or a metallic compound. According to said method, a metallo-organic parent compound and a substrate to be coated are introduced into a receptacle. Before the coating process, an organic solubilizer for the metal-organic parent compound is applied to the substrate. The receptacle containing the substrate and the metallo-organic parent compound is placed in an oven for approximately two hours at a temperature of 300° C. In this way, the desired coating is obtained.Type: ApplicationFiled: March 2, 2004Publication date: April 12, 2007Applicant: DECHEMA Gesellscaft fur Chemische Technik und Biotechnologie e.v.Inventors: Roland Dittmeyer, Martin Reif
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Patent number: 7169923Abstract: A process is described for preparing alkoxycarbonylaminotriazines by reacting di- or triaminotriazines with dimethyl carbonate in the presence of an alcohol and of an alkali metal or alkaline earth metal methoxide base.Type: GrantFiled: October 23, 2002Date of Patent: January 30, 2007Assignee: BASF AktiengesellschaftInventors: Joerg Schneider, Guenter Scherr, Hans Schupp, Andreas Eichfelder, Alain Robert, Martin Reif
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Publication number: 20060179877Abstract: The invention relates to an expansion device for a refrigerant, in particular an expansion device to control the high-pressure level of an air conditioner. In accordance with the invention, it is provided that the expansion device (16) is a sliding seat valve (22). In addition, the invention relates to an air conditioner (10), in particular an air conditioner (10) for a motor vehicle, with a compressor (12), a condenser or gas cooler (14), an expansion device (16) as well as an evaporator (18). In accordance with the invention, it is proposed that the expansion device (16) is formed by at least one sliding seat valve (22).Type: ApplicationFiled: November 6, 2003Publication date: August 17, 2006Inventors: Jochen Wessner, Peter Horstmann, Peter Satzger, Tilman Michle, Martin Reif