Patents by Inventor Hermann Ascherl
Hermann Ascherl 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: 9480250Abstract: The present invention relates to a method for the production of solid solutions of sparingly soluble pesticides, pulverulent products that are obtained by said method and their use for pesticide formulations.Type: GrantFiled: November 23, 2007Date of Patent: November 1, 2016Assignee: BASF SEInventors: Karl Kolter, Michael Schönherr, Hermann Ascherl, Cedric Dieleman, Torsten Knieriem, Sebastian Koltzenburg, Holger Türk
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Patent number: 9061971Abstract: The present invention comprises a process for purifying isocyanate-comprising residues.Type: GrantFiled: September 21, 2006Date of Patent: June 23, 2015Assignee: BASF AktiengesellschaftInventors: Andreas Wölfert, Carsten Knösche, Matthias Klötzer, Hermann Ascherl, Eckhard Stroefer, Heinrich-Josef Blankertz, Michael Schönherr, Martin Karches, Christian Benz
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Patent number: 8524827Abstract: Method for stabilizing polyvinylpyrrolidones, which comprises treating the polyvinylpyrrolidones with sulfur dioxide, sulfurous acid or alkali metal sulfites and then with free-radical scavenger, and converting the solutions treated in this way into the powdered polyvinylpyrrolidones by drying.Type: GrantFiled: February 8, 2006Date of Patent: September 3, 2013Assignee: BASF SEInventors: Karl Kolter, Ivette Garcia Castro, Olga Pinneker, Ralf Widmaier, Karl-Hermann Strube, Bernhard Fussnegger, Manfred Kroll, Frank Höfer, Hermann Ascherl, Peter Schmidt
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Patent number: 8268350Abstract: Finely divided binders in powder form composed of vinyllactam polymers, where the binders have an average particle size of up to 35 ?m and an apparent density of less than 0.2 g/ml.Type: GrantFiled: April 19, 2006Date of Patent: September 18, 2012Assignee: BASF SEInventors: Karl Kolter, Hermann Ascherl, Bernhard Fussnegger
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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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Patent number: 7892644Abstract: The present invention relates to a microcapsular powder having a latent heat storage material as a capsule core and a capsule wall constructed of from 10% to 100% by weight of one or more C1-C24-alkyl esters of acrylic and/or methacrylic acid (monomers I), from 0% to 80% by weight of a water-insoluble or substantially water-insoluble bi- or polyfunctional monomer (monomers II), and from 0% to 90% by weight of other monomers (monomer III) all based on the total weight of the monomers, having an average particle size in the range of 150-400 ?m and having 80% by weight of particles ?90 ?m in diameter, to a process for its production and to its use in bindered building materials, textiles and dumped beds.Type: GrantFiled: March 3, 2006Date of Patent: February 22, 2011Assignee: BASF AktiengesellschaftInventors: Patrick Amrhein, Albert Spannagel, Hermann Ascherl, Gabriele Lang-Wittkowski
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Patent number: 7776109Abstract: The present invention relates to a process for the preparation of solid acylphosphine oxides by converting an acylphosphine oxide which is in the form of a melt or in dispersed form into the solid state of aggregation with mechanical stress, shearing/internal agitation of the melt.Type: GrantFiled: March 30, 2004Date of Patent: August 17, 2010Assignee: BASF AktiengesellschaftInventors: Gerhard Bertlein, Karl Heinz Schall, Matthias Maase, Joerg Heilek, Dieter Baumann, Hermann Ascherl
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Publication number: 20100062940Abstract: The present invention relates to a method for the production of solid solutions of sparingly soluble pesticides, pulverulent products that are obtained by said method and their use for pesticide formulations.Type: ApplicationFiled: November 23, 2007Publication date: March 11, 2010Applicant: BASF SEInventors: Karl Kolter, Michael Schönherr, Hermann Ascherl, Cedric Dieleman, Torsten Knieriem, Sebastian Koltzenburg, Holger Türk
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Publication number: 20080318048Abstract: The present invention relates to a microcapsular powder having a latent heat storage material as a capsule core and a capsule wall constructed of from 10% to 100% by weight of one or more C1-C24-alkyl esters of acrylic and/or methacrylic acid (monomers I), from 0% to 80% by weight of a water-insoluble or substantially water-insoluble bi- or polyfunctional monomer (monomers II), and from 0% to 90% by weight of other monomers (monomer III) all based on the total weight of the monomers, having an average particle size in the range of 150-400 ?m and having 80% by weight of particles ?90 ?m in diameter, to a process for its production and to its use in bindered building materials, textiles and dumped beds.Type: ApplicationFiled: March 3, 2006Publication date: December 25, 2008Applicant: BASF AktiengesellschaftInventors: Patrick Amrhein, Albert Spannagel, Hermann Ascherl, Gabriele Lang-Wittkowski
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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: 20080262263Abstract: The present invention comprises a process for purifying isocyanate-comprising residues.Type: ApplicationFiled: September 21, 2006Publication date: October 23, 2008Applicant: BASF SEInventors: Andreas Wolfert, Carsten Knosche, Matthias Klotzer, Hermann Ascherl, Eckhard Stroefer, Heinrich-Josef Blankertz, Michael Schonherr, Martin Karches, Christian Benz
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Publication number: 20080248117Abstract: A process for producing solid solutions in powder or granule form of slightly soluble substances in which the slightly soluble substance is in the form of a molecular dispersion in an excipient matrix, by atomizing a solution of the active ingredient and of the matrix excipients, which comprises heating an aqueous suspension of the slightly soluble substance in the presence of the matrix excipients to temperatures above the boiling point under atmospheric pressure, and dissolving the slightly soluble substance, and subsequently converting the solution of the slightly soluble substance and of the matrix excipients by atomizing and drying into a solid form, where the temperature of the spray solution before feeding into the atomizing apparatus is 90° C. to 350° C.Type: ApplicationFiled: May 31, 2006Publication date: October 9, 2008Applicant: BASF AktiengesellschaftInventors: Karl Kolter, Michael Schoenherr, Hermann Ascherl
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Publication number: 20080241261Abstract: The present invention relates to a process for producing solid oral dosage forms with sustained release of active ingredient, comprising at least one active ingredient, a preformulated mixture of polyvinyl acetate and polyvinylpyrrolidone, where appropriate, water-soluble polymers or lipophilic additives and, where appropriate, other conventional excipients, wherein this mixture or parts of this mixture are granulated by heating to from 40° C. to 130° C., and the granules are, after admixture with conventional excipients, subsequently tabletted.Type: ApplicationFiled: June 9, 2008Publication date: October 2, 2008Inventors: Karl KOLTER, Dieter Flick, Hermann Ascherl
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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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Patent number: 7413750Abstract: The present invention relates to a process for producing solid oral dosage forms with sustained release of active ingredient, comprising at least one active ingredient, a preformulated mixture of polyvinyl acetate and polyvinylpyrrolidone, where appropriate, water-soluble polymers or lipophilic additives and, where appropriate, other conventional excipients, wherein this mixture or parts of this mixture are granulated by heating to from 40° C. to 130° C., and the granules are, after admixture with conventional excipients, subsequently tabletted.Type: GrantFiled: June 5, 2001Date of Patent: August 19, 2008Assignee: BASF AktiengesellschaftInventors: Karl Kolter, Dieter Flick, Hermann Ascherl
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Publication number: 20080139724Abstract: Method for stabilizing polyvinylpyrrolidones, which comprises treating the polyvinylpyrrolidones with sulfur dioxide, sulfurous acid or alkali metal sulfites and then with free-radical scavenger, and converting the solutions treated in this way into the powdered polyvinylpyrrolidones by drying.Type: ApplicationFiled: February 8, 2006Publication date: June 12, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Karl Kolter, Ivette Garcia Castro, Olga Pinneker, Ralf Widmaier, Karl-Hermann Strube, Bernhard Fussnegger, Manfred Kroll, Frank Hofer, Hermann Ascherl, Peter Schmidt
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Publication number: 20070167653Abstract: The present invention relates to a process for the preparation of solid acylphosphine oxides by converting an acylphosphine oxide which is in the form of a melt or in dispersed form into the solid state of aggregation with mechanical stress, shearing/internal agitation of the melt.Type: ApplicationFiled: March 30, 2004Publication date: July 19, 2007Applicant: BASF AkiengesellschaftInventors: Gerhard Bertlein, Karl Schall, Matthias Maase, Jorg Heilek, Dieter Baumann, Hermann Ascherl
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Publication number: 20060240102Abstract: Finely divided binders in powder form composed of vinyllactam polymers, where the binders have an average particle size of up to 35 ?m and an apparent density of less than 0.2 g/ml.Type: ApplicationFiled: April 19, 2006Publication date: October 26, 2006Applicant: BASF AktiengesellschaftInventors: Karl Kolter, Hermann Ascherl, Bernhard Fussnegger
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Patent number: 6693120Abstract: The invention relates to a process for preparing constant-weight thrombin inhibitors of the formula I where n is 0, 1, 2, and tautomers thereof, wherein an aqueous solution of the active substance is spray dried.Type: GrantFiled: July 2, 2002Date of Patent: February 17, 2004Assignee: Abbott GmbH & Co. KGInventors: Bernd Schaefer, Guido Harms, Hermann Ascherl, Georg Arnold Krei