Patents by Inventor Andreas Tangerbeck
Andreas Tangerbeck 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: 7318950Abstract: The invention relates to chiral compounds of formula (I) R1—X1-(A1-Z1)m-G-(Z2-A2)n-X2—R2, wherein R1, R2, X1, X2, A1, A2, Z1, Z2, G, m and n have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).Type: GrantFiled: June 25, 2001Date of Patent: January 15, 2008Assignee: Merck GmbHInventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Patent number: 7060331Abstract: The invention relates to chiral compounds of formula (I) wherein R1, R2, A1, A2, X1, X2, Z3 and m have the meaning give in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).Type: GrantFiled: June 25, 2001Date of Patent: June 13, 2006Assignee: Merck Patent GmbHInventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Patent number: 7041345Abstract: The invention relates to chiral compounds of formula (I) wherein Y1, Y2, Y3, Y4, X1, X2, X3 and X4 have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I)Type: GrantFiled: June 25, 2001Date of Patent: May 9, 2006Assignee: Merck Patent GmbHInventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Publication number: 20030189189Abstract: The invention relates to chiral compounds of formula (I) wherein Y1, Y2, Y3, Y4, X1, X2, X3 and X4 have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I) to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compostions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).Type: ApplicationFiled: January 13, 2003Publication date: October 9, 2003Inventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Publication number: 20030178601Abstract: The invention relates to chiral compounds of formula (I) R1X1-(A1-Z1)m-G-(Z2-A2)n—X2—R2, wherein R1, R2, X1, X2, A1, A2, Z1, Z2, G, m and n have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formual (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).Type: ApplicationFiled: January 13, 2003Publication date: September 25, 2003Inventors: Peer Kirsch, Andreas Tangerbeck, Detlef Auluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Publication number: 20030175445Abstract: The invention relates to chiral compounds of formula (I) wherein R1, R2, A1, A2, X1, X2, Z3 and m have the meaning give in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).Type: ApplicationFiled: January 9, 2003Publication date: September 18, 2003Inventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi