Patents by Inventor Karin Powell
Karin Powell 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: 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: 8426484Abstract: The present invention relates to a homogenous liquid blend comprising a photoinitiator and an alkoxylate surfactant for incorporation into aqueous based and solvent based radiation curable systems. In particular the invention relates to a homogenous liquid blend which is liquid at room temperature comprising at least 30% by weight with regard to the whole blend of a solid photoinitiator of the radical type and 1-70% by weight of at least one alkoxylated liquid surface active agent and optionally an organic diluent.Type: GrantFiled: January 4, 2010Date of Patent: April 23, 2013Assignee: BASF SEInventors: Steffen Onclin, Svetozar Lucic, Karin Powell, Wolfgang Peter, Frank Oliver Heinrich Pirrung, Clemens Auschra
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Publication number: 20120142850Abstract: The present invention provides organic-inorganic composite particles having an average diameter of 60 to 12,000 nm, wherein the organic-inorganic composite particles are obtainable by reacting particles A, which are particles carrying at least one functional group Ra, with particles B, which are particles carrying at least one functional group Rb, under formation of a covalent linkage between particles A and particles B. The present invention also provides compositions comprising these particles and substrates coated with these compositions.Type: ApplicationFiled: April 26, 2010Publication date: June 7, 2012Applicant: BASF SEInventors: Andreas Mühlebach, Michael Mühlebach, Florian Mühlebach, François Rime, Wolfgang Peter, Karin Powell
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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: 20120035292Abstract: The present invention relates to a homogenous liquid blend comprising a photoinitiator and an alkoxylate surfactant for incorporation into aqueous based and solvent based radiation curable systems. In particular the invention relates to a homogenous liquid blend which is liquid at room temperature comprising at least 30% by weight with regard to the whole blend of a solid photoinitiator of the radical type and 1-70% by weight of at least one alkoxylated liquid surface active agent and optionally an organic diluent.Type: ApplicationFiled: January 4, 2010Publication date: February 9, 2012Applicant: BASF SEInventors: Steffen Onclin, Svetozar Lucic, Karin Powell, Wolfgang Peter, Frank Oliver Heinrich Pirrung, Clemens Auschra
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Publication number: 20110040006Abstract: The dirt pickup resistance of substrates, in particular coatings, is improved by the incorporation of small amount of certain layered double hydroxide particles. Methods for the preparation of effective, readily intercalated, layered double hydroxide particles and compositions comprising them, such as architectural coatings, in particular water based architectural coatings, are provided.Type: ApplicationFiled: July 27, 2010Publication date: February 17, 2011Applicant: BASF SEInventors: Wolfgang Peter, Hans-Thomas Schacht, Valentina Kharisovna Mitina, Bernd Lamatsch, Karin Powell
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Patent number: 7820865Abstract: The instant invention relates to new photolatent compounds of the formula I wherein R1 and R2 are each independently of the other C1-C10alkyl or C3-C8cycloalkyl, R3 is hydrogen or C1-C4alkyl, and wherein the photochemically cleaved group R4OH is selected from the group consisting of fragrances, UV absorbers, anti-microbials, anti-fogging agents and clarifiers; with the proviso that, when R1 and R2 are tert-butyl and R3 is hydrogen, R4 is not methyl or phenyl.Type: GrantFiled: October 30, 2006Date of Patent: October 26, 2010Assignee: Ciba CorporationInventors: Katharina Fritzsche, Walter Fischer, Johannes Benkhoff, Karin Powell, Dirk Simon
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Patent number: 7727702Abstract: A method is provided for irreversibly coloring a coating composition containing a color former comprising the steps of a) providing a coating composition that contains an UV curable resin, a thermosetting resin or an alkyd resin with the proviso that the coating composition contains no developer nor any additive which may function as developer; b) mixing the coating composition with the color former whereby no color is formed; c) applying the colorless composition obtained in step b) to a substrate; d) in case of a thermosetting resin curing the resin between 100 and 300° C., preferably between 100 and 150° C., whereby no color is formed, in case of alkyd resin drying of the resin at room temperature, whereby no color is formed; e) exposure to UV or high energy radiation below 400 nm whereby the color is formed.Type: GrantFiled: March 29, 2005Date of Patent: June 1, 2010Assignee: Ciba Specialty Chemicals Corp.Inventors: Johannes Benkhoff, Karin Powell
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Patent number: 7723399Abstract: The invention relates to novel N-substituted imides and polymerizable compositions comprising these N-substituted imides. The invention further relates to the use of N-substituted imides as polymerization initiators.Type: GrantFiled: October 31, 2005Date of Patent: May 25, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Peter Nesvadba, Johannes Benkhoff, Lucienne Bugnon, Karin Powell, Tunja Jung
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Publication number: 20100022676Abstract: The invention provides a uv-curable colored composition, comprising (a) at least one selected ethylenically unsaturated photopolymerizable compound; (b) at least one selected curing agent; and (c) at least one selected colorant.Type: ApplicationFiled: September 24, 2007Publication date: January 28, 2010Inventors: Jonathan Rogers, Johannes Benkhoff, Karin Powell, Tunja Jung, Kurt Dietliker, Pascal Hayoz, Jean-Luc Birbaum, Thomas Vogel, Rinaldo Hüsler
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Publication number: 20090162307Abstract: The instant invention relates to new photolatent compounds of the formula I wherein R1 and R2 are each independently of the other C1-C10alkyl or C3-C8cycloalkyl, R3 is hydrogen or C1-C4alkyl, and wherein the photochemically cleaved group R4OH is selected from the group consisting of fragrances, UV absorbers, anti-microbials, anti-fogging agents and clarifiers; with the proviso that, when R1 and R2 are tert-butyl and R3 is hydrogen, R4 is not methyl or phenyl.Type: ApplicationFiled: October 30, 2006Publication date: June 25, 2009Inventors: Katharina Fritzsche, Walter Fischer, Johannes Benkhoff, Karin Powell, Dirk Simon
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Publication number: 20080132600Abstract: The invention relates to novel N-substituted imides and polymerizable compositions comprising these N-substituted imides. The invention further relates to the use of N-substituted imides as polymerization initiators.Type: ApplicationFiled: October 31, 2005Publication date: June 5, 2008Inventors: Peter Nesvadba, Johannes Benkhoff, Lucienne Bugnon, Karin Powell, Tunja Jung
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Publication number: 20070207925Abstract: A method is provided for irreversibly coloring a coating composition containing a color former comprising the steps of a) providing a coating composition that contains an UV curable resin, a thermosetting resin or an alkyd resin with the proviso that the coating composition contains no developer nor any additive which may function as developer; b) mixing the coating composition with the color former whereby no color is formed; c) applying the colorless composition obtained in step b) to a substrate; d) in case of a thermosetting resin curing the resin between 100 and 300° C., preferably between 100 and 150 ° C., whereby no color is formed, in case of alkyd resin drying of the resin at room temperature, whereby no color is formed; e) exposure to UV or high energy radiation below 400 nm whereby the color is formed.Type: ApplicationFiled: March 29, 2005Publication date: September 6, 2007Inventors: Johannes Benkhoff, Karin Powell