Patents by Inventor Bernd Bronstert
Bernd Bronstert 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: 7118694Abstract: A mixture Ia which comprises a composition IIa consisting of a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to 99% by weight of a polymeric mass IV obtainable by polymerizing b1) 5 to 100% by weight, based on the mass IV of a condensation product V of ?) at least one compound VI which is capable to react with a carboxylic acid or a sulfonic acid or a derivative thereof or a mixture of two or more thereof, and ?) at least one mole per mole of the compound VI of a carboxylic acid or a sulfonic acid VII which exhibits at least one radically polymerizable functional group, or a derivative thereof or a mixture of two or more thereof and b2) 0 to 95% by weight, based on the mass IV, of a further compound VIII having an average molecular weight (number average) of at least 5000 and having polyether segments in the main or side chain, wherein the proportion by weight of the composition IIa in the mixture Ia is 1 to 100% by weighType: GrantFiled: April 29, 2002Date of Patent: October 10, 2006Assignee: BASF AktiengesellschaftInventors: Bernd Bronstert, Helmut Möhwald
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Patent number: 6991874Abstract: The compositions comprise: (a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 ?m which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) from 1 to 99% by weight of a polymeric material (II) which comprises: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, as part of the chain, at the end(s) of the chain and/or laterally on the chain, reactive groups (RG) which are capable of crosslinking reactions under the action of heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free of reactive groups RG.Type: GrantFiled: May 4, 1999Date of Patent: January 31, 2006Assignee: BASF AktiengesellschaftInventors: Helmut Möhwald, Gerhard Dötter, Rainer Blum, Peter Keller, Stephan Bauer, Bernd Bronstert
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Patent number: 6949285Abstract: A membrane comprising a composition including (a) 1 to 99 wt-% of at least one polyurethane elastomer comprising at least one hard segment and at least one soft segment, and (b) 99 to 1 wt-% of a solid, wherein said solid is incorporated in said at least one polyurethane elastomer.Type: GrantFiled: December 2, 1999Date of Patent: September 27, 2005Assignee: BASF AktiengesellschaftInventors: Tekeshi Tobinaga, Klemens Mathauer, Bernd Bronstert, Helmut Möhwald
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Publication number: 20040224234Abstract: The invention relates to a process for production of a composite article comprising:Type: ApplicationFiled: October 9, 2001Publication date: November 11, 2004Inventors: Stephan Bauer, Bernd Bronstert, Helmut Mohwald, Takeshi Tobinaga
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Publication number: 20040188880Abstract: A method for producing a molded article, preferably a sheet-type molded article, which method comprises the following stage:Type: ApplicationFiled: April 15, 2004Publication date: September 30, 2004Inventors: Stephan Bauer, Franz Weingart, Bernd Bronstert, Helmut Mohwald, Thomas Kessler, Uwe Burkhardt, Florian Hennenberger
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Patent number: 6767624Abstract: The present invention relates to composite elements comprising at least one layer A which comprises at least one solid electrolyte Al, at least one adhesion-promoting layer B having a thickness of <100 &mgr;m and at least one component C which provides the composite layer with electrochromic properties, where composite elements of this type are particularly suitable for use in electrochromic windows, and to electrochromic windows and glazing comprising a composite element of this type, and to processes for the production of these composite elements.Type: GrantFiled: July 31, 2002Date of Patent: July 27, 2004Assignee: BASF AktiengesellschaftInventor: Bernd Bronstert
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Patent number: 6746803Abstract: A composite comprises at least one first layer which includes a composite comprising (a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 &mgr;m or a mixture made from at least two solids, (b) from 99 to 1% by weight of a polymeric binder (II) obtainable by polymerizing b1) from 5 to 100% by weight, based on the binder (II), of a condensation product III made from at least one compound IV which is capable of reacting with a carboxylic acid or with a sulfonic acid or with a derivative or with a mixture of two or more of these, and at least one mol per mole of compound IV of a carboxylic or sulfonic acid V which has at least one functional group capable of free-radical polymerization, or of a derivative of these or of a mixture of two or more of these and b2) from 0 to 95% by weight, based on the binder (II), of another compound VII with an average molecular weight (number average) of at least 5000 having polyether segments in a main or side chain, where the at leaType: GrantFiled: October 9, 2001Date of Patent: June 8, 2004Assignee: BASF AktiengesellschaftInventors: Stephan Bauer, Bernd Bronstert, Helmut Möhwald
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Patent number: 6730440Abstract: A composite comprising: A) at least one separator layer Aa which comprises a mixture Ia, comprising a mix IIa consisting of: (a) from 1 to 95% by weight of a solid III having a primary particle size of from 5 nm to 20 &mgr;m; and (b) from 5 to 99% by weight of a polymeric composition IV; B) at least one cathode layer B which comprises an electron-conducting, electrochemically active compound which is able to release lithium ions on charging, and C) at least one anode layer C which comprises an electron-conducting, electrochemical compound which is able to take up lithium ions on charging.Type: GrantFiled: October 9, 2001Date of Patent: May 4, 2004Assignee: BASF AktiengesellschaftInventors: Stephan Bauer, Bernd Bronstert, Helmut Möhwald
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Publication number: 20040054057Abstract: A mixture Ia comprises a mix IIa composed ofType: ApplicationFiled: September 8, 2003Publication date: March 18, 2004Inventors: Stephan Bauer, Bernd Bronstert, Helmut Mohwald, Hans-Josef Sterzel, Werner Hesse
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Patent number: 6642294Abstract: A mixture Ia comprises a mix IIa composed of a) from 1 to 95% by weight of a solid III, preferably a basic solid III, with a primary particle size of from 5 nm to 20 &mgr;m and b) from 5 to 99% by weight of a polymeric composition IV, obtainable by polymerizing b1) from 5 to 100% by weight, based on the composition IV, of a condensation product V of &agr;) at least one compound VI which is capable of reacting with a carboxylic acid or with a sulfonic acid or with a derivative or a iixture of two or more of these, and &bgr;) at least 1 mol per mole of the compound VI of a carboxylic acid or sulfonic acid VII which has at least one functional group capable of free-radical polymerization, or of a derivative thereof or of a mixture of two or more thereof and b2) from 0 to 95% by weight, based on the composition IV, of another compound VIII with an average molecular weight (number average) of at least 5000 having polyether segments in its main or side chain and at least one ester of the formula (E1) to (E5)Type: GrantFiled: July 17, 2000Date of Patent: November 4, 2003Assignee: BASF AktiengesellschaftInventors: Stephan Bauer, Bernd Bronstert, Helmut Möhwald, Hans-Josef Sterzel, Werner Hesse
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Patent number: 6632561Abstract: A composite comprises at least one layer which includes a composite comprising (a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 &mgr;m or a mixture made from at least two solids, (b) from 99 to 1% by weight of a polymeric binder (II) which includes: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, along the chain, terminally and/or laterally, reactive groups (RG) which are capable of crosslinking reactions when exposed to heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free from reactive groups RG, where the at least one layer has been applied to at least one second layer comprising at least one conventional separator.Type: GrantFiled: April 25, 2001Date of Patent: October 14, 2003Assignee: BASF AktiengesellschaftInventors: Stephan Bauer, Bernd Bronstert, Helmut Möhwald, Rainer Blum, Gerhard Dötter
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Publication number: 20030031858Abstract: The present invention relates to composite elements comprising at least one layer A which comprises at least one solid electrolyte Al, at least one adhesion-promoting layer B having a thickness of <100 &mgr;m and at least one component C which provides the composite layer with electrochromic properties, where composite elements of this type are particularly suitable for use in electrochromic windows, and to electrochromic windows and glazing comprising a composite element of this type, and to processes for the production of these composite elements.Type: ApplicationFiled: July 31, 2002Publication date: February 13, 2003Inventor: Bernd Bronstert
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Patent number: 6475663Abstract: A composition comprising: (a) from 0 to less than 1% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 &mgr;m which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) more than 99 to 100% by weight of a polymeric material (II) which comprises: (IIa)from 1 to 100% by weight of a polymer or copolymer (IIa) containing reactive groups (RG) on the chain in terminal and/or lateral positions which are capable of crosslinking reactions in the presence of heat and/or with UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which contains no reactive groups (RG).Type: GrantFiled: February 1, 2001Date of Patent: November 5, 2002Assignee: BASF AktiengesellschaftInventors: Helmut Möhwald, Gerhard Dötter, Rainer Blum, Peter Keller, Stephan Bauer, Bernd Bronstert
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Publication number: 20020160270Abstract: A mixture Ia which comprises a composition Ia consisting ofType: ApplicationFiled: April 29, 2002Publication date: October 31, 2002Inventors: Bernd Bronstert, Helmut Mohwald
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Publication number: 20020155353Abstract: A mixture Ia which comprises a composition IIa consisting ofType: ApplicationFiled: April 29, 2002Publication date: October 24, 2002Inventors: Bernd Bronstert, Helmut Mohwald
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Patent number: 6416905Abstract: A mixture Ia which comprises a composition IIa consisting of a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to 99% by weight of a polymeric mass IV obtainable by polymerizing b1) 5 to 100% by weight, based on the mass IV of a condensation product V of &agr;) at least one compound VI which is capable to react with a carboxylic acid or a sulfonic acid or a derivative thereof or a mixture of two or more thereof, and &bgr;) at least one mole per mole of the compound VI of a carboxylic acid or a sulfonic acid VII which exhibits at least one radically polymerizable functional group, or a derivative thereof or a mixture of two or more thereof and b2) 0 to 95% by weight, based on the mass IV, of a further compound VIII having an average molecular weight (number average) of at least 5000 and having polyether segments in the main or side chain, wherein the proportion by weight of the composition IIa in the mixture Ia is 1 to 100Type: GrantFiled: September 23, 1998Date of Patent: July 9, 2002Assignee: BASF AktiengesellschaftInventors: Bernd Bronstert, Helmut Möhwald
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Patent number: 6361709Abstract: Optically transparent polymeric solid electrolytes comprising a polymeric binder, a filler, a conductive salt, an ion-solvating plasticizer and, if desired, further additives and auxiliaries, a process for the preparation of solid electrolytes of this type, by compounding and thermoplastic shaping, and their use in electrochromic systems and displays.Type: GrantFiled: May 23, 2000Date of Patent: March 26, 2002Assignee: BASF AktiengesellschaftInventors: Stephan Bauer, Bernd Bronstert, Helmut Möhwald, Michael Neuss, Uwe Burkhardt
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Publication number: 20010021473Abstract: A molding, preferably a film-like molding, is produced by a process which comprises the following stage:Type: ApplicationFiled: February 12, 2001Publication date: September 13, 2001Applicant: EMTEC MAGNETICS GmbHInventors: Stephan Bauer, Bernd Bronstert, Uwe Burkhardt, Franz Weingart, Thomas Kessler, Helmut Mohwald, Florian Hennenberger
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Patent number: 5891593Abstract: Electrode materials suitable for electrochemical cells containing a) a polymeric binder which is composed essentially of polyisobutene having a limiting viscosity number of from 551 to 661 g/cm.sup.3 and b) a solid which is capable of reversibly taking up or releasing lithium ions in an electrochemical reaction.Type: GrantFiled: October 22, 1996Date of Patent: April 6, 1999Assignee: EMTEC Magnetics GmbHInventors: Harald Keller, Bernd Bronstert, Helmut Steininger, Gunter Heil, Rainer Blum
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Patent number: 4970134Abstract: Multilayer, photosensitive recording materials which can be developed with aqueous media contain one or more layers of a mixture which is crosslinkable by photopolymerization, soluble or dispersible in aqueous media and based on polymer containing hydroxyl and/or amide groups, as binders, compatible photopolymerizable monomers and photopolymerization initiators, which mixture contains from 0.1 to 10% by weight, based on its total amount, of an aldehyde of the general formula I ##STR1## where R is hydrogen, hydroxyl, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.6 -C.sub.10 -aryl or C.sub.6 -C.sub.10 -aryloxy.Type: GrantFiled: June 10, 1988Date of Patent: November 13, 1990Assignee: BASF AktiengesellschaftInventors: Bernd Bronstert, Manfred Zuerger