Patents by Inventor Margherita Fontana
Margherita Fontana 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: 10431745Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: GrantFiled: July 24, 2018Date of Patent: October 1, 2019Assignee: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Patent number: 10224484Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: GrantFiled: November 30, 2016Date of Patent: March 5, 2019Assignee: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frederic Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Publication number: 20190027690Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: ApplicationFiled: November 30, 2016Publication date: January 24, 2019Applicant: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frederic Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G.R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Publication number: 20180331296Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: ApplicationFiled: July 24, 2018Publication date: November 15, 2018Applicant: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Patent number: 9893288Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: GrantFiled: November 30, 2016Date of Patent: February 13, 2018Assignee: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Publication number: 20170148991Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: ApplicationFiled: November 30, 2016Publication date: May 25, 2017Applicant: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frederic Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G.R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Publication number: 20170148992Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: ApplicationFiled: November 30, 2016Publication date: May 25, 2017Applicant: BASF SEInventors: Mathias Duggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frederic Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G.R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Patent number: 9403987Abstract: Disclosed is a composition comprising a charged particle of volume 5 nm3 to 50 million nm3 preferably having an inorganic core of SiO2, AI2O3, and/or TiO2, or a core essentially consisting of an organic pigment and/or pigment derivative, and a counter ion which is separable from the particle and is not covalently linked to the particle, said counter ion comprising a silicon atom which is directly bound to a carbon atom. Preferably, said charged particle comprises a dye attached to said inorganic core and said counter ion comprises a (poly)siloxane moiety linked via suitable bridge members to a quaternary, positively charged, nitrogen or phosphorus atom, or to a moiety carrying an anionic functional group. Said composition may be used e.g. in the form of a homogenous dispersion in an electrophoretic display.Type: GrantFiled: June 11, 2010Date of Patent: August 2, 2016Assignee: BASF SEInventors: Pascal Hayoz, Bernd Lamatsch, Achim Lamatsch, Margherita Fontana, Stephan Burkhardt, Laurent Michau, Urs Lehmann, Philippe Bugnon
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Patent number: 9018397Abstract: The present invention relates to compounds of the formula I wherein the substituents are as defined in claim 1, and their use as organic semiconductor in organic devices, like diodes, organic field effect transistors and/or a solar cells. The compounds of the formula I have excellent solubility in organic solvents. High efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when said compounds are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).Type: GrantFiled: February 26, 2013Date of Patent: April 28, 2015Assignee: BASF SEInventors: Zhimin Hao, Beat Schmidhalter, Jean-Luc Budry, Margherita Fontana, Matheiu G. R. Turbiez, Frank Bienewald, Mathias Duggeli, Oliver Frederic Aebischer, Pascal Hayoz, Marta Fondrodona Turon
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Publication number: 20150056746Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: ApplicationFiled: October 30, 2014Publication date: February 26, 2015Applicant: BASF SEInventors: Mathias Düggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frédéric Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G.R. Turbiez, Beat Schmidhalter, Jean-Charles Flores
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Patent number: 8912305Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: GrantFiled: October 21, 2009Date of Patent: December 16, 2014Assignee: BASF SEInventors: Mathias Düggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frédéric Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbioz, Beat Schmidhalter, Jean-Charles Flores
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Patent number: 8674006Abstract: Described is a pigment dispersion which is useful for electrophoretic displays comprising ?) a bis-oxodihydro-indolylene-benzodifuranone colorant of the Formula (I) wherein the substituents are defined as in claim 1, ?) a specific polymeric dispersant, and ?) a solvent which is suitable for dispersions used in electrophoretic displays. Also described are novel colourants and dispersants.Type: GrantFiled: January 7, 2010Date of Patent: March 18, 2014Assignee: BASF SE LudwigshafenInventors: Margherita Fontana, Marian Lanz, Frank Oliver Heinrich Pirrung, Andreas Gernandt, Dario Perera, Thomas Ruch, Christoph Krebs, Thomas Eichenberger, Achim Lamatsch
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Patent number: 8610998Abstract: The present invention relates to the preparation and use of (colored) organic particles carrying electric charge as electrophoretic (image) displaying particles, to electrophoretic dispersions comprising the organic particles carrying electric charge, electrophoretic (image) devices (especially displays) comprising the colored organic particles carrying electric charge, to the novel functionalized particles, and to their use. The particles are obtainable according to a method represented by the reaction scheme as given in FIG. 1.Type: GrantFiled: June 25, 2007Date of Patent: December 17, 2013Assignee: BASF SEInventors: Gabriele Baisch, Reinhold Öhrlein, Peter Simmendinger, Gerardus De Keyzer, Margherita Fontana, Vilas N. Mumbaikar
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Patent number: 8456733Abstract: The present invention discloses the use of functionalized particles as electrophoretic displaying particles, wherein the functionalized particles are SiO2, Al2O3 or mixed SiO2 and Al2O3 particles comprising, covalently bound to an oxygen atom on the surface, a radical of formula (1), wherein R1 and R2 are independently of each other hydrogen, particle surface-O—, or a substituent, n is 1, 2, 3, 4, 5, 6, 7 or 8, B is the direct bond or a bridge member, and D is the residue of an organic chromophore.Type: GrantFiled: October 16, 2006Date of Patent: June 4, 2013Assignee: BASF SEInventors: Margherita Fontana, Gabriele Baisch, Thomas Giesenberg, Laurent Michau, Reinhold Öhrlein, Andreas Mühlebach
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Patent number: 8404864Abstract: The present invention relates to compounds of the formula (I) wherein the substituents are as defined in claim 1, and their use as organic semiconductor in organic devices, like diodes, organic field effect transistors and/or a solar cells. The compounds of the formula I have excellent solubility in organic solvents. High efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when said compounds are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).Type: GrantFiled: September 22, 2008Date of Patent: March 26, 2013Assignee: BASF SEInventors: Zhimin Hao, Beat Schmidhalter, Jean-Luc Budry, Margherita Fontana, Mathieu Turbiez, Frank Bienewald, Mathias Düggeli, Oliver Frédéric Aebischer, Pascal Hayoz, Marta Fonrodona Turon
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Patent number: 8270063Abstract: The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and a cationic pigment orcationic pigment derivative, and the dispersantis selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers, with the proviso that the cationic pigment or cationic pigment derivative is not a reaction product of carbonblack with diazotated procaine hydrochloride. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole cationic pigment or cationic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the cationic pigment or cationic pigment derivative physically distinct from the aggregates.Type: GrantFiled: August 28, 2008Date of Patent: September 18, 2012Assignee: BASF SEInventors: Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra
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Publication number: 20120229884Abstract: Disclosed is a composition comprising a charged particle of volume 5 nm3 to 50 million nm3 preferably having an inorganic core of SiO2, AI2O3, and/or TiO2, or a core essentially consisting of an organic pigment and/or pigment derivative, and a counter ion which is separable from the particle and is not covalently linked to the particle, said counter ion comprising a silicon atom which is directly bound to a carbon atom. Preferably, said charged particle comprises a dye attached to said inorganic core and said counter ion comprises a (poly)siloxane moiety linked via suitable bridge members to a quaternary, positively charged, nitrogen or phosphorus atom, or to a moiety carrying an anionic functional group. Said composition may be used e.g. in the form of a homogenous dispersion in an electrophoretic display.Type: ApplicationFiled: June 11, 2010Publication date: September 13, 2012Applicant: BASF SEInventors: Pascal Hayoz, Bernd Lamatsch, Achim Lamatsch (Sole Heir), Margherita Fontana, Stephan Burkhardt, Laurent Michau, Urs Lehmann, Philippe Bugnon
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Publication number: 20120172498Abstract: Described is a pigment dispersion which is useful for electrophoretic displays comprising ?) a bis-oxodihydro-indolylene-benzodifuranone colorant of the Formula (I) wherein the substituents are defined as in claim 1, ? a specific polymeric dispersant, and ?) a solvent which is suitable for dispersions used in electrophoretic displays. Also described are novel colourants and dispersants.Type: ApplicationFiled: January 7, 2010Publication date: July 5, 2012Applicant: BASF SEInventors: Margherita Fontana, Marian Lanz, Frank Oliver Heinrich Pirrung, Andreas Gernandt, Dario Perera, Thomas Ruch, Christoph Krebs, Thomas Eichenberger, Bernd Lamatsch, Achim Lamatsch (Heir)
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Patent number: 8040592Abstract: The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and an anionic pigment or anionic pigment derivative, and the dispersant is selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole anionic pigment or anionic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the anionic pigment or anionic pigment derivative physically distinct from the aggregates.Type: GrantFiled: June 27, 2007Date of Patent: October 18, 2011Assignee: BASF SEInventors: Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra
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Publication number: 20110240981Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: ApplicationFiled: October 21, 2009Publication date: October 6, 2011Applicant: BASF SEInventors: Mathias Düggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frédéric Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G.R. Turbiez, Beat Schmidhalter, Jean-Charles Flores