Patents by Inventor Wolfgang Schrof
Wolfgang Schrof 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: 7994227Abstract: The invention relates to nanoparticulate formulations comprising at least one active compound or compound with a special effect and at least one random radical copolymer. The copolymers are formed from monomers carrying sulfonic acid groups and additional olefinically unsaturated compounds. The formulations are dispersible as nanoparticles in an aqueous medium. The invention includes, in addition, processes for the preparation of the solid and liquid formulations, and their use.Type: GrantFiled: October 19, 2004Date of Patent: August 9, 2011Assignee: BASF AktiengesellschaftInventors: Sebastian Koltzenburg, Stephan Lehmann, Bernhard Steinmetz, Wolfgang Schrof, Joachim Hadeler, Winfried Mayer, Matthias Bratz, Werner Goedel
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Publication number: 20110166309Abstract: The invention relates to preparations, in particular plant-protective preparations which contain a mixture of at least two different active plant-protective substances, wherein a) at least one active substance is selected from a conazole group (active substance 1) and b) another active-plant protective substance (active substance 2) whose water solubility at a temperature of 20° C. is less than 20 g/l., c) at least one type of copolymer CP consisting of M monomers comprising ?) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group and ?) at least one type of neutral monoethylenically unsaturated monomer M2, wherein the quantitative ratio between the active substance 1 and the other active plant-protective substance 2 ranges from 1:10 to 10:1.Type: ApplicationFiled: March 14, 2011Publication date: July 7, 2011Inventors: Sebastian KOLTZENBURG, Peter Dombo, Günter Oetter, Christian Krüger, Wolfgang Schrof, Matthias Bratz
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Patent number: 7927617Abstract: The invention relates to preparations, in particular plant-protective preparations which contain a mixture of at least two different active plant-protective substances, wherein a) at least one active substance is selected from a conazole group (active substance 1) and b) another active-plant protective substance (active substance 2) whose water solubility at a temperature of 20° C. is less than 20 g/l., c) at least one type of copolymer CP consisting of M monomers comprising ?) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group and ?) at least one type of neutral monoethylenically unsaturated monomer M2, wherein the quantitative ratio between the active substance 1 and the other active plant-protective substance 2 ranges from 1:10 to 10:1.Type: GrantFiled: April 13, 2006Date of Patent: April 19, 2011Assignee: BASF AktiengesellschaftInventors: Sebastian Koltzenburg, Peter Dombo, Günter Oetter, Christian Krüger, Wolfgang Schrof, Matthias Bratz
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Publication number: 20110020170Abstract: The invention relates to metal nanoparticles and a process for the preparation thereof, in which a metal salt solution is reduced with a reducing agent in the presence of the derivatized polyethyleneimines or polyvinylamines. Metal salt solutions of two or more different metals can be reduced simultaneously or in succession, metal nanoparticles comprising two or more different metals being obtained. Preferred metals are silver, palladium, and platinum. Suitable reducing agents are, for example, formic acid, formaldehyde, diethanolamine, 5-pentenoic acid and sodium borohydride. Silver can be used in the form of silver oxide and/or silver nitrate, palladium in the form of alkali metal tetrachloropalladate or palladium(II) nitrate and platinum in the form of alkali metal tetrachloroplatinate or tetraamineplatinum(II) nitrate.Type: ApplicationFiled: March 17, 2009Publication date: January 27, 2011Applicant: BASF SEInventors: Gerrit Luinstra, Wolfgang Schrof, Udo Gödert, Robert Feuerhake, Tobias Joachim Koplin, Imme Domke
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Publication number: 20100328676Abstract: A method is provided for detecting not fully set coatings and liquid or smearing impurities on a surface, in which in a first step a film is pressed onto a surface of a coating using a predefined press-on pressure, the film having a relative motion with respect to the surface of the coating, thereafter the film is pulled off the surface of the coating and finally it is determined whether impurities are adhering to the film. A device is also provided for performing the method, including at least one film, which may be pressed against a surface to be tested, at least one press-on roller having a surface by which the film is pressed against the coating, and at least one device for determining whether there are impurities adhering to the film.Type: ApplicationFiled: September 11, 2007Publication date: December 30, 2010Inventors: Eva Wagner, Thomas Brinz, Thomas Geiger, Jane Lewis, Markus Tiefenbacher, Tobias Burk, Sebastian Koltzenburg, Wolfgang Schrof
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Publication number: 20100273907Abstract: Modified open-cell aminoplastic foams with a density in the range from 5 to 1,000 kg/m3 and with an average pore diameter in the range from 1 ?m to 1 mm, comprising an amount in the range from 1 to 2,500% by weight, based on the weight of the un-modified open-cell foam, of at least one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes with the proviso that styrene-acrylonitrile-C1-C10-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excludedType: ApplicationFiled: January 3, 2007Publication date: October 28, 2010Applicant: BASF SE Carl-Bosch-Strasse; GVX -C006Inventors: Stefan Frenzel, Denis Alfred Gonzales, Iris Bogaerts, Karl Häberle, Wolfgang Schrof, Volker Schwendemann
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Publication number: 20100168260Abstract: The present invention relates to a porous material comprising (a) an erodible open-cell foam with a density in the range from 5 to 1,000 kg/m3 and with an average pore diameter in the range from 1 ?m to 1 mm, (b) a polymer matrix which is water-soluble or water-swellable or readily erodible, (c) an active ingredient selected from the group of surfactants, organic solvents, complexing agents, and bleaching agents, wherein said active ingredient (c) is absorbed by or dissolved in said polymer matrix (b) or chemically linked to said polymer matrix (b).Type: ApplicationFiled: January 5, 2007Publication date: July 1, 2010Applicant: BASF SEInventors: Stefan Frenzel, Denis Alfred Gonzales, Iris Bogaerts, Karl Häberle, Wolfgang Schrof, Vlker Schwendemann
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Publication number: 20100149339Abstract: In a method for evaluating mechanical tests of a coating on a substrate, in a first step a mechanical stress is applied onto the coating, in a second step the substrate having the coating is isothermally clamped, in a third step an infrared photograph is generated of the region in which the mechanical stress is applied onto the coating in the first step, and in a fourth step the infrared photograph is evaluated. A device is arranged for carrying out the method.Type: ApplicationFiled: September 11, 2007Publication date: June 17, 2010Inventors: Eva Wagner, Thomas Brinz, Thomas Geiger, Jane Lewis, Markus Tiefenbacher, Tobias Burk, Sebastian Koltzenburg, Wolfgang Schrof
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Publication number: 20080318785Abstract: The invention relates to preparations, in particular plant-protective preparations which contain a mixture of at least two different active plant-protective substances, wherein a) at least one active substance is selected from a conazole group (active substance 1) and b) another active plant-protective substance (active substance 2) whose water solubility at a temperature of 20° C. is less than 20 g/l, c) at least one type of copolymer CP consisting of M monomers comprising ?) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group and ?) at least one type of neutral monoethylenically unsaturated monomer M2, wherein the quantitative ratio between the active substance 1 and the other active plant-protective substance 2 ranges from 1:10 to 10:1.Type: ApplicationFiled: April 13, 2006Publication date: December 25, 2008Inventors: Sebastian Koltzenburg, Peter Dombo, Gunter Oetter, Christian Kruger, Wolfgang Schrof, Matthias Bratz
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Publication number: 20080214819Abstract: This invention relates to a process of producing compounds, which are useful as bleach boosters, as well as to the compounds, which are obtainable using said process, and to their use.Type: ApplicationFiled: June 14, 2006Publication date: September 4, 2008Applicant: BASF AktiengesellschaftInventors: Ludwig Volkel, Christian Bittner, Ingo Munster, Frank Dietsche, Wolfgang Schrof
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Publication number: 20080200682Abstract: This invention relates to a process of producing compounds, which are useful as bleach boosters, as well as to the compounds, which are obtainable using said process, and to their use.Type: ApplicationFiled: June 14, 2006Publication date: August 21, 2008Applicant: BASF AktiengesellschaftInventors: Karin Schein, Arno Kochner, Ludwig Volkel, Christian Bittner, Ingo Munster, Frank Dietsche, Wolfgang Schrof, Hansgeorg Ernst, Karl Beck, Andrea Misske, Martin Scholtissek
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Patent number: 7274459Abstract: A process for parallel and automated evaluation of the blushing of multiple samples of dispersion films, comprising: providing an illuminated array of spatially separated samples of dispersion films, imaging the array of samples by means of CCD camera at different times and digitizing the images, automatically determining multiple brightness for each sample at different times from the different digitized images for at least a portion of the samples, determining values of a parameter characteristic of the kinetics of the blushing from the different brightnesses, and comparing the values of the characteristic parameter for individual samples.Type: GrantFiled: January 13, 2003Date of Patent: September 25, 2007Assignee: BASF AktiengesellschaftInventors: Wolfgang Schrof, Thorsten Müller, Alexander Centner, Stephan Lehmann, Joachim Hadeler
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Publication number: 20070157948Abstract: A cleaning implement comprises a modified open-cell foam with a density in the range from about 5 to about 1,000 kg/m3 and with an average pore diameter in the range from about 1 ?m to about 1 mm, comprising an amount in the range from about 1 to about 2,500% by weight, based on the weight of the unmodified open-cell foam, of at least about one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes, with the proviso that styrene-acrylonitrile-C1-C10-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excluded.Type: ApplicationFiled: December 19, 2006Publication date: July 12, 2007Inventors: Denis Alfred Gonzales, Iris Bogaerts, Karl Haberle, Wolfgang Schrof, Volker Schwendemann, Stefan Frenzel
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Patent number: 7189575Abstract: Disclosed is a method for determining the swellability and the swelling kinetics of superabsorbent material (9) such as polymer gels, for example, which comprises introducing a defined volume of the dry superabsorbent material (9) into a measuring vessel (7), using a movable element (4) within said measuring vessel (7) to apply a restraining force (12) to said superabsorbent material (9) and capturing the expansion of said superabsorbent material (9) contactlessly within a chamber (14) in a continuous manner by capturing the change in height of a piston (4) which bounds said chamber (14), travels in a measuring vessel (7) and is marked with a height scale (6).Type: GrantFiled: November 8, 2001Date of Patent: March 13, 2007Assignee: BASF AktiengesellschaftInventors: Wolfgang Schrof, Udo Gödert, Martin Beck, Hans-Joachim Hähnle, Gunnar Schornick
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Patent number: 7176255Abstract: The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an oil-in-water emulsion E1 whose disperse phase comprises at least one oil-soluble dye, wherein the disperse phase of E1 is formed essentially of dye-comprising monomer droplets having a diameter<500 nm. The present invention relates in addition to dye-comprising formulations which comprise the dye-comprising polymers of the invention and to pigmented formulations which comprise a polymer of the invention comprising optical brightener.Type: GrantFiled: July 30, 2003Date of Patent: February 13, 2007Assignee: BASF AktiengesellschaftInventors: Klemens Mathauer, Arno Boehm, Walter Maechtle, Peter Rossmanith, Sabine Kielhorn-Bayer, Klaus Muellen, Ulrike Rohr, Friedrich-Wilhelm Raulfs, Ulrike Schloesser, Wolfgang Schrof, Harutyun Hanciogullari, Karl Siemensmeyer, Paul Delavier, Ruediger Sens, Torsten Freund, Takahiro Ikeda, Takanori Wakebe
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Patent number: 7169841Abstract: A curable aqueous polyurethane dispersion substantially comprises a) at least one compound having two free isocyanate groups, at least one allophanate group and at least one C?C double bond capable of free radical polymerization, a carbonyl group or an oxygen atom in the form of an ether function being bonded directly to the double bond, b) at least one compound having at least one group reactive toward isocyanate groups and having a C?C double bond capable of free-radical polymerization, c) if required, at least one compound having at least two groups reactive towards isocyanate groups and selected from hydroxyl, mercapto, primary and/or secondary amino groups, d) at least one compound having at least one group reactive towards isocyanate groups and having at least one acid group, e) at least one basic compound for neutralizing or partially neutralizing the acid groups of the compounds d), and a thermal initiator and is used for coating substrates.Type: GrantFiled: June 26, 2001Date of Patent: January 30, 2007Assignee: BASF AktiengesellschaftInventors: Reinhold Schwalm, Bernd Bruchmann, Frank Voellinger, Erich Beck, Wolfgang Schrof, Uwe Meisenburg
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Patent number: 7105206Abstract: A process is described for producing molding compounds and coatings on substrates by curing radiation-curable compositions under inert gas by exposure to light wherein said inert gas comprises a gas heavier than air, and lateral escape of the inert gas in the course of radiation curing is prevented by means of appropriate apparatus or other measures.Type: GrantFiled: November 21, 2000Date of Patent: September 12, 2006Assignee: BASF AktiengesellschaftInventors: Erich Beck, Oliver Deis, Peter Enenkel, Wolfgang Schrof
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Publication number: 20060115602Abstract: A process is described for producing molding compounds and coatings on substrates by curing radiation-curable compositions under inert gas by exposure to light wherein said inert gas comprises a gas heavier than air, and lateral escape of the inert gas in the course of radiation curing is prevented by means of appropriate apparatus or other measures.Type: ApplicationFiled: January 4, 2006Publication date: June 1, 2006Applicant: BASF AkiengesellschaftInventors: Erich Beck, Oliver Deis, Peter Enenkel, Wolfgang Schrof
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Patent number: 6964837Abstract: The present invention relates to the use of at least one radiation crosslinkable, preferably UV crosslinkable, polymer composition as a data recording medium, especially in the form of what are known as smart coatings based on such polymer compositions, which in a further embodiment comprises at least one fluorescence chromophore, and also to a composite at least comprising one support and one layer comprising a radiation crosslinkable polymer composition comprising at least one fluorescence chromophore, and also, preferably, an additional UV absorbing layer.Type: GrantFiled: May 4, 2001Date of Patent: November 15, 2005Assignee: BASF AktiengesellschaftInventors: Wolfgang Schrof, Harald Röckel, Rüdiger Füssl, Karl-Heinz Schumacher, Ralf Fink
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Publication number: 20050075453Abstract: The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an oil-in-water emulsion E1 whose disperse phase comprises at least one oil-soluble dye, wherein the disperse phase of E1 is formed essentially of dye-comprising monomer droplets having a diameter<500 nm. The present invention also relates to perylene dyes of the formula III as set forth in claim 35. The present invention relates in addition to dye-comprising formulations which comprise the dye-comprising polymers of the invention and to pigmented formulations which comprise a polymer of the invention comprising optical brightener.Type: ApplicationFiled: July 30, 2003Publication date: April 7, 2005Applicant: BASF AktiengesellschafInventors: Klemens Mathauer, Arno Bohm, Walter Machtle, Peter Rossmanith, Sabine Kielhorn-Bayer, Klaus Mullen, Ulrike Rohr, Friedrich-Wilhelm Raulfs, Ulrike Schlosser, Wolfgang Schrof, Harutyun Hanciogullari, Karl Siemensmeyer, Paul Delavier, Rudiger Sens, Torsten Freund, Takahiro Ikeda, Takanori Wakebe