Patents by Inventor Katia Studer
Katia Studer 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: 10928728Abstract: Compounds of the Formula (I), (II) and (III) wherein Ar is for example phenylene, biphenyleneor naphthylene, all of which are unsubstituted or substituted by C1-C4-alkyl, C2-C4-alkenyl, CN, OR11, SR11, CH 2OR11, COOR12, CONR12R13 or halogen; R1, R2, R7 and R8 independently of one another other are hydrogen or C1-C6-alkyl; R3 and R5 together and R4 and R6 together form a C2-C6-alkylene bridge which is unsubstituted or substituted by one ore more C1-C4-alkyl; R11 is hydrogen or C1-C6-alkyl; R12 and R13 independently of one another for example are hydrogen, phenyl, C1-C18-alkyl, C1-C18-alkyl which is interrupted by one or more O; n is 1-10; X is O, S or NR10; A and A1 are suitable linking groups; are suitable as photolatent bases.Type: GrantFiled: January 26, 2018Date of Patent: February 23, 2021Assignee: BASF SEInventors: Kurt Dietliker, Katharina Misteli, Katia Studer, Tunja Jung, Lother Alexander Engelbrecht
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Publication number: 20210033972Abstract: Compounds of the Formula (I), (II) and (III) wherein Ar is for example phenylene, biphenylene or naphthylene, all of which are unsubstituted or substituted by C1-C4-alkyl, C2-C4-alkenyl, CN, OR11, SR11, CH2OR11, COOR12, CONR12R13 or halogen; R1, R2, R7 and R8 independently of one another other are hydrogen or C1-C6-alkyl; R3 and R5 together and R4 and R6 together form a C2-C6-alkylene bridge which is unsubstituted or substituted by one or more C1-C4-alkyl; R11 is hydrogen or C1-C6-alkyl; R12 and R13 independently of one another for example are hydrogen, phenyl, C1-C18-alkyl, C1-C18-alkyl which is interrupted by one or more O; n is 1-10; X is O, S or NR10; A and A1 are suitable linking groups; are suitable as photolatent bases.Type: ApplicationFiled: October 9, 2020Publication date: February 4, 2021Inventors: Kurt Dietliker, Katharina Miseli, Katia Studer, Tunja Jung, Lother Alexander Engelbrecht
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Publication number: 20180217498Abstract: Compounds of the Formula (I), (II) and (III) wherein Ar is for example phenylene, biphenyleneor naphthylene, all of which are unsubstituted or substituted by C1-C4-alkyl, C2-C4-alkenyl, CN, OR11, SR11, CH 2OR11, COOR12, CONR12R13 or halogen; R1, R2, R7 and R8 independently of one another other are hydrogen or C1-C6-alkyl; R3 and R5 together and R4 and R6 together form a C2-C6-alkylene bridge which is unsubstituted or substituted by one ore more C1-C4-alkyl; R11 is hydrogen or C1-C6-alkyl; R12 and R13 independently of one another for example are hydrogen, phenyl, C1-C18-alkyl, C1-C18-alkyl which is interrupted by one or more O; n is 1-10; X is O, S or NR10; A and A1 are suitable linking groups; are suitable as photolatent bases.Type: ApplicationFiled: January 26, 2018Publication date: August 2, 2018Inventors: Kurt Dietliker, Katharina Misteli, Katia Studer, Tunja Jung, Lother Alexander Engelbrecht
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Patent number: 9921477Abstract: Compounds of the Formula (I), (II) and (III) wherein Aris is for example phenylene, biphenylene or naphthylene, all of which are unsubstituted or substituted by C1-C4-alkyl, C2-C4-alkenyl, CN, OR11, SR11, CH2OR11, COOR12, CONR12R13 or halogen; R1, R2, R7 and R8 independently of one another other are hydrogen or C1-C6-alkyl; R3 and R5 together and R4 and R6 together form a C2-C6-alkylene bridge which is unsubstituted or substituted by one or more C1-C4-alkyl; R11 is hydrogen or C1-C6-alkyl; R12 and R13 independently of one another for example are hydrogen, phenyl, C1-C18-alkyl, C1-C18-alkyl which is interrupted by one or more O; n is 1-10; X is O, S or NR10; A and A1 are suitable linking groups; are suitable as photolatent bases.Type: GrantFiled: March 25, 2008Date of Patent: March 20, 2018Assignee: BASE SEInventors: Kurt Dietliker, Katharina Misteli, Katia Studer, Tunja Jung, Lothar Alexander Engelbrecht
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Patent number: 9624171Abstract: Photoinitiator mixture comprising at least one alpha-amino ketone compound; and at least one compound of the Formula (I) or (I?) wherein R1 and R?1 for example are hydrogen, C3-C8cycloalkyl or C1-C12alkyl R2 and R2? for example are hydrogen; unsubstituted C1-C20alkyl or substituted C1-C20alkyl; and R8 and R9 for example are hydrogen, C1-C12alkyl which optionally is substituted, or phenyl which optionally is substituted; exhibit an unexpectedly good performance in photopolymerization reactions.Type: GrantFiled: May 27, 2009Date of Patent: April 18, 2017Assignee: BASF SEInventors: Akira Matsumoto, Hisatoshi Kura, Katia Studer, Sébastien Villeneuve
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Patent number: 8906979Abstract: The invention pertains to high-molecular photoinitiator compounds comprising a photoactive moiety Q and an amine functionality, preferably a tertiary amino group, where the photoactive moiety Q is a benzoyl photoactive moiety.Type: GrantFiled: July 26, 2010Date of Patent: December 9, 2014Assignee: BASF SEInventors: Markus Frey, Christophe Frossard, Katia Studer, Bruno Spony, Patrizia Sgambati
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Patent number: 8637585Abstract: Photoinitiator compounds comprising both a photoactive moiety and an amine functionality, bonded to a polyhedral oligomeric silsesquioxane, which photoinitiator is represented by formula (1) or (1?) wherein n is 2m; m is an integer of 2 to 30; the sum of n?+a is an integer 4-60; n? is an even-numbered integer; a is an even- or uneven-numbered integer; and for example different A C1-C12alkyl, or a photoactive moiety Q1, or a group of formula (2); E for example is a direct bond, L is linear or branched C1-C3alkylene, preferably propylene; R1 and R2 for example are a photoactive moiety Q, or C2-20alkyl; Q is for example a group of formula (4); Z2 is for example C1-C6alkylene which is unsubstituted or substituted by one or more OR6; and R6, R12, R13 and R14 for example are hydrogen; are especially suitable as low-migrating photoinitiators.Type: GrantFiled: November 24, 2009Date of Patent: January 28, 2014Assignee: BASF SEInventors: Markus Frey, Christophe Frossard, Katia Studer, Karin Powell, Jean-Luc Birbaum, Martin Müller
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Patent number: 8604251Abstract: The invention pertains to novel oligofunctional photoinitiators of the formula (1) or (1A). R1 and R2 are methyl or together are —(CH2)5—; and n is 2 or 3, and the solvent in (1A) is water or an organic solvent; and their use in photopolymerizable compositions, in particular inks.Type: GrantFiled: March 19, 2010Date of Patent: December 10, 2013Assignee: BASF SEInventors: Ulrich Berens, Jean-Luc Birbaum, Katia Studer
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Patent number: 8507726Abstract: Photoinitiators mixture comprising (i) at least one compound selected from the group consisting of alpha-hydroxy ketones, monoacylphosphine oxides, bisacylphosphine oxides, ketosulfones, benzil ketals, benzoin ether, phenylglyoxylates, borates and titanocenes; and (ii) at least one compound of the formula (I) or (I?) R1, R?1, R2 and R2? R?9 independently of each other for example are hydrogen or C1-C12alkyl R7, R8, R9, R?8 and R?9 independently of each other for example are hydrogen, C1-C12alkyl which optionally is substituted or phenyl which optionally is substituted, exhibit excellent photoinitiating properties.Type: GrantFiled: October 23, 2009Date of Patent: August 13, 2013Assignee: BASF SEInventors: Katia Studer, Sébastien Villeneuve, Akira Matsumoto, Hisatoshi Kura, Jan Sültemeyer
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Patent number: 8318830Abstract: The present invention provides organometallic latent catalyst compounds, which are suitable as catalysts in polyaddition or polycondensation reactions which are catalysed by a Lewis acid type catalyst, in particular for the crosslinking of a blocked or unblocked isocyanate or isothiocyanate component with a polyol or polythiolto form a polyurethane (PU).Type: GrantFiled: October 10, 2008Date of Patent: November 27, 2012Assignee: BASF SEInventors: Rachel Kohli Steck, Caroline Lordelot, Thomas Vogel, Gisele Baudin, Paul Brown, Kurt Dietliker, Rinaldo Huesler, Tunja Jung, Peter Simmendinger, Katia Studer, Antoine Carroy
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Publication number: 20120178844Abstract: The invention pertains to high-molecular photoinitiator compounds comprising a photoactive moiety Q and an amine functionality, preferably a tertiary amino group, where the photoactive moiety Q is a benzoyl photoactive moiety.Type: ApplicationFiled: July 26, 2010Publication date: July 12, 2012Applicant: BASF SEInventors: Markus Frey, Christophe Frossard, Katia Studer, Bruno Spony, Patrizia Sgambati
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Publication number: 20120142793Abstract: Photoinitiator compounds comprising both a photoactive moiety and an amine functionality, bonded to a polyhedral oligomeric silsesquioxane, which photoinitiator is represented by formula (1) or (1?) wherein n is 2m; m is an integer of 2 to 30; the sum of n?+a is an integer 4-60; n? is an even-numbered integer; a is an even- or uneven-numbered integer; and for example different A C1-C12alkyl, or a photoactive moiety Q1, or a group of formula (2); E for example is a direct bond, L is linear or branched C1-C3alkylene, preferably propylene; R1 and R2 for example are a photoactive moiety Q, or C2-20alkyl; Q is for example a group of formula (4); Z2 is for example C1-C6alkylene which is unsubstituted or substituted by one or more OR6; and R6, R12, R13 and R14 for example are hydrogen; are especially suitable as low-migrating photoinitiators.Type: ApplicationFiled: November 24, 2009Publication date: June 7, 2012Applicant: BASF SEInventors: Markus Frey, Christophe Frossard, Katia Studer, Karin Powell, Jean-Luc Birbaum, Martin Müller
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Publication number: 20120043480Abstract: The present application provides a uv dose indicator film and ink showing a color change depending on the absorbed radiation-dose, comprising (a) a selected acid responsive colorant; (b) a sulfonyloxime ester compound or a —N—O-sulfonyl compound as photolatent acid and (c) a UV-absorber.Type: ApplicationFiled: March 26, 2010Publication date: February 23, 2012Applicant: BASF SEInventors: Katia Studer, Sébastien Villeneuve
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Publication number: 20120029107Abstract: The invention pertains to novel oligofunctional photoinitiators of the formula (1) or (1A). R1 and R2 are methyl or together are —(CH2)5—; and n is 2 or 3, and the solvent in (1A) is water or an organic solvent; and their use in photopolymerizable compositions, in particular inks.Type: ApplicationFiled: March 19, 2010Publication date: February 2, 2012Applicant: BASF SEInventors: Ulrich Berens, Jean-Luc Birbaum, Katia Studer
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Patent number: 8049186Abstract: The present application provides a composition showing a color change depending on the absorbed radiation-dose, comprising (a) an acid responsive colorant; (b) a photolatent acid; characterized in that (b) is a sulfonyloxime ester compound; and its use as a radiation dose indicator.Type: GrantFiled: August 15, 2007Date of Patent: November 1, 2011Assignee: BASF SEInventors: Katia Studer, Tunja Jung, Kurt Dietliker, Urs Lehmann
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Publication number: 20110218266Abstract: Photoinitiators mixture comprising (i) at least one compound selected from the group consisting of alpha-hydroxy ketones, monoacylphosphine oxides, bisacylphosphine oxides, ketosulfones, benzil ketals, benzoin ether, phenylglyoxylates, borates and titanocenes; and (ii) at least one compound of the formula (I) or (I?) R1, R?1, R2 and R2? R?9 independently of each other for example are hydrogen or C1-C12alkyl R7, R8, R9, R?8 and R?9 independently of each other for example are hydrogen, C1-C12alkyl which optionally is substituted or phenyl which optionally is substituted, exhibit excellent photoinitiating properties.Type: ApplicationFiled: October 23, 2009Publication date: September 8, 2011Applicant: BASF SEInventors: Katia Studer, Sébastien Villeneuve, Akira Matsumoto, Hisatoshi Kura, Jan Sültemeyer
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Publication number: 20110190412Abstract: The invention pertains to photolatent amidine bases for redox curing of radically curable formulations, that is a composition comprising (a1) a photolatent amidine base; or (a2) a photolatent amine base; or (a3) a mixture of (a1) and (a2); and (b) a radically polymerizable compound; and (c) a free radical initiator capable to be reduced by amines and/or amidines, in particular a peroxide.Type: ApplicationFiled: January 6, 2009Publication date: August 4, 2011Applicant: BASF SEInventors: Katia Studer, Kurt Dietliker, Tunja Jung
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Publication number: 20110134554Abstract: Photoinitiator mixture comprising at least one alpha-amino ketone compound; and at least one compound of the Formula (I) or (I?) wherein R1 and R?1 for example are hydrogen, C3-C8cycloalkyl or C1-C12alkyl R2 and R2? for example are hydrogen; unsubstituted C1-C20alkyl or substituted C1-C20alkyI; and R8 and R9 for example are are hydrogen, C1-C12alkyl which optionally is substituted, or phenyl which optionally is substituted; exhibit an unexpectedly good performance in photopolymerization reactions.Type: ApplicationFiled: May 27, 2009Publication date: June 9, 2011Applicant: BASF SEInventors: Akira Matsumoto, Hisatoshi Kura, Katia Studer, Sebastien Villeneuve
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Publication number: 20110065203Abstract: The present application provides a uv dose indicator film and ink showing a color change depending on the absorbed radiation-dose, comprising (a) a selected acid responsive colorant; (b) a sulfonyloxime ester compound or a —N—O-sulfonyl compound as photolatent acid.Type: ApplicationFiled: February 3, 2009Publication date: March 17, 2011Applicant: BASF SEInventors: Katia Studer, Gerd Haller
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Publication number: 20110033664Abstract: The present invention relates to a method for producing a duplicated shim and the duplicated shim obtainable by the method. The duplicated (UV-cured) shim, independent of any carrying device (like a cylinder or belt), can be applied directly to the surface of the transfer roller (and impart the surface OVD structure into a clear lacquer) in a similar way to conventional nickel shims.Type: ApplicationFiled: November 5, 2008Publication date: February 10, 2011Applicant: BASF SEInventors: Mark Robert Dicker, David R. Boswell, Steven Winton, Katia Studer, Sebastien Villeneuve, Bruno Spony