Patents by Inventor Heinz Spahni
Heinz Spahni 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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Publication number: 20080130474Abstract: The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I). For the detailed definitions of the further substituents, see the description. Recording and playback are effected especially at a wavelength of from 300 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density even at high speeds.Type: ApplicationFiled: June 25, 2004Publication date: June 5, 2008Inventors: Beat Schmidhalter, John S. Zambounis, Heinz Wolleb, Annemarie Wolleb, Frank Bienewald, Jean-Luc Budry, Heinz Spahni
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Patent number: 7378221Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.Type: GrantFiled: June 28, 2005Date of Patent: May 27, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Jürgen Beyrich, Rudolf Blattner, Jean-Luc Budry, Wolfgang Freitag, Colin Morton, Gerald Anthony Murphy, Beat Schmidhalter, Michael Schulz, Heinz Spahni, Christian Stern, Annemarie Wolleb, Heinz Wolleb, Roland Zoelper
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Publication number: 20070172624Abstract: The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I) or a tautomeric or mesomeric form thereof, wherein G1 and G2 are each independently of the other C(R5) or N; M1 is a lanthanide or transition metal of groups 4 to 10; P is a phthalocyanino diradical; and R1 to R5 are substituents as defined in the description and the claims. Recording and playback are effected especially at a wavelength of from 350 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density.Type: ApplicationFiled: February 16, 2005Publication date: July 26, 2007Inventors: Heinz Wolleb, Annemarie Wolleb, Frank Bienewald, Beat Schmidhalter, Jean-Luc Budry, Heinz Spahni
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Publication number: 20070042152Abstract: The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula [L1Mr-4L-2]o [Am]p [Zn+q(I), [L1Mr?3L?3]0 [Am]P[Zn+]q(II) or [L3Mr?2L4]0 [Am]p[Zn+]q (III), or where applicable a mesomeric or tautomeric form thereof, wherein L1 and L2 are each independently of the other and L3 and L4 are each independently of the other wherein Q1 is CR1 or N, Q2 is O, S, NR10 or Q5?Q8, Q3 is CR3 or N, Q4 is O, S, NR10 or Q7?Q8, Q5 is CR5 or N, Q6 is CR6 or N, Q7 is CR7 or N, Q8 is CR8 or N, and Q9 is 0, S, NR10 or Q6?Q8; Mr, Am?, Zn+, R2, R9 are as defined in the claims.Type: ApplicationFiled: February 25, 2004Publication date: February 22, 2007Inventors: Jean-Marie Adam, Peter Aeschlimann, Jean-Pierre Bacher, Jean-Luc Budry, Urs Lehmann, Colin Morton, Beat Schmidhalter, Heinz Spahni
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Patent number: 7034148Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines (I) and (II) with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording mediaType: GrantFiled: April 9, 2002Date of Patent: April 25, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Jürgen Beyrich, Rudolf Blattner, Jean-Luc Budry, Wolfgang Freitag, Colin Morton, Gerald Anthony Murphy, Beat Schmidhalter, Michael Schulz, Heinz Spahni, Christian Stern, Annemarie Wolleb, Heinz Wolleb, Roland Zoelper
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Publication number: 20050250942Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.Type: ApplicationFiled: June 28, 2005Publication date: November 10, 2005Inventors: Jurgen Beyrich, Rudolf Blattner, Jean-Luc Budry, Wolfgang Freitag, Colin Morton, Gerald Murphy, Beat Schmidhalter, Michael Schulz, Heinz Spahni, Christian Stern, Annemarie Wolleb, Heinz Wolleb, Roland Zoelper
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Patent number: 6849315Abstract: The invention relates to an optical recording medium, comprising a substrate and a recording layer, wherein the recording layer comprises a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 are each independently of the others hydrogen, G1 or C1-C24alkyl, C2-C24alkenyl, C2-C24alkynyl, C3-C24cycloalkyl, C3-C24cycloalkenyl, C7-C24aralkyl, C6-C24aryl, C4-C12heteroaryl or C1-C12heterocycloalkyl, each unsubstituted or substituted by one or more identical or different substituents G1, wherein R1 and R2, R1 and R13, R2 and R3, R3 and R4, R4 and R5, R5 and R6, R6 and R7, R7 and R8, R8 and R9, R9 and R10, R10 and R11, R11 and R12 and/or R12 and R13 can independently of one another be bonded to one another in pairs separately or, when they contain substitutable sites, via a direct bond or via a —CH2—, —O—, —S—, —NH— or —NC1-C24alkyl-bridge in such a manner that, together with the atoms and bonds indicated in formula (I), five- or six-membered, saturated, unsaturated or aromatic,Type: GrantFiled: July 4, 2002Date of Patent: February 1, 2005Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Lehmann, Peter Aeschlimann, Peter Sutter, Beat Schmidhalter, Jean-Luc Budry, Heinz Spahni
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Publication number: 20050008974Abstract: The invention relates to an optical recording medium comprising a substrate and a recording layer, wherein the recording layer comprises a complex of formula (I), or wherein Q2 is a ligand of formula (II), or a tautomer thereof, and R1, R2, R3, R4, R5, R6, R7, and R8 are each dependently of the others H, halogen, cyano, COOR9, CONHR9, CONR9R10, R9, OR9, SR9, NHR9 or NR9R10, wherein R9 and R10 are each independently of the other C6-C10aryl, C4-C9heteroaryl or linear or branched C1-C24alkyl, C3-C24cycloallyl, C2-C24alkenyl, C3-C24cycloalkenyl, C2-C24alkynyl, C1-C12heterocycloalkyl, C1-C12heterocycloalkenyl, unsubstituted or substituted, it also being possible for R1 and R2, R3 and R4, R5 and R6, and R7 and R8, independently of one another, to be bonded by a direct bond or via a bridge O or S, Mm+ is a transition metal cation having 5 or 6 electrons in the outermost occupied d-shell, L1 is a ligand having a sub-structure N—C, P—C or As—C, L2, independently of L1, is a further ligand containing at least one heterType: ApplicationFiled: November 7, 2002Publication date: January 13, 2005Inventors: Colin Morton, Taher Yousaf, Jean-Luc Budry, Beat Schmidhalter, Heinz Spahni
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Publication number: 20040132990Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines (I) and (II) with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.Type: ApplicationFiled: October 10, 2003Publication date: July 8, 2004Inventors: Jurgen Beyrich, Rudolf Blattner, Jean-Luc Budry, Wolfgang Freitag, Colin Morton, Gerald Anthony Murphy, Beat Schmidhalter, Michael Schulz, Heinz Spahni, Christian Stern, Annemarie Wolleb, Heinz Wolleb, Roland Zoelper
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Patent number: 6245403Abstract: The invention relates to an optical storage medium comprising a substrate and a storage layer, wherein the storage layer comprises a compound of the formula (I) or (II) in which A and A′, independently of one another, are unsubstituted or mono- or di-halo-, -hydroxy-, —C1-C6alkyl-, —C1-C6alkoxy-, -cyano- or -nitro-substituted phenyl, pyridyl, pyrrolyl, imidazolyl, furyl or thienyl, which can, if desired, be fused to a benzene ring, are halide, tetrafluoroborate or unsubstituted or with one or more halogen substituted C1-C6alkane-sulfonate, benzenesulfonate, C1-C6alkylbenzenesulfonate, C1-C6alkylsulfate or di-C1-C6alkyl-phosphonate of N—C1-C6alkyl-pyridiniumyl, or are unsubstituted or mono- or di-hydroxy-substituted C2-C6alkyl or C2-C6alkenyl, whose chain may be uninterrupted or interrupted by one or two oxygen atoms, B and B′, independently of one another, are 2 H, S, S2 or SO2, and n and n′, independently of one another, are each a number from 1 to 4.Type: GrantFiled: April 29, 1998Date of Patent: June 12, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Heinz Spahni, Jin Mizuguchi, Beat Schmidhalter, Annemarie Wolleb, Jean-Luc Budry, Gérald Giller
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Patent number: 5641879Abstract: The invention relates to phthalocyanines and metal complexes thereof with divalent metals or divalent oxo metals, which contain at least one phosphorus-containing substituent bonded to the peripheral carbon skeleton via the phosphorus atom.The compounds preferably conform to the general structural formula (G).sub.k -A-(Q).sub.l, in which A is a phthalocyanine or metal complex thereof with a divalent metal or a divalent oxo metal, G is a phosphorus-containing substituent, Q is a further substituent as defined below, the index k is a number from 1 to 16, and l, independently thereof, is 0 or a number from 1 to 15, with the proviso that the sum of k and l is a number less than or equal to 16.The invention also relates to a material for the optical recording and storage of information, in which at least one storage layer (2) of a novel phthalocyanine compound or a metal complex thereof has been applied to a transparent, dielectric carrier material (1).Type: GrantFiled: September 20, 1995Date of Patent: June 24, 1997Assignee: Ciba-Geigy CorporationInventors: Heinz Wolleb, Hanspeter Preiswerk, Beat Schmidhalter, Heinz Spahni
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Patent number: 5407885Abstract: Compounds of formula I or V or mixtures thereof ##STR1## wherein R is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, phenyl, benzyl, --CN, --CF.sub.3, halogen or --COOR.sub.5, and R.sub.5 is H, C.sub.1 -C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, and at least one of the substituents R.sub.1 to R.sub.4 is --F, --Cl or --Br, or is independently the group RO--, and the other substituents R.sub.1 to R.sub.4 are H, --F, --Cl or --Br, are reversible photochromic systems which can be used for contrast formation, light absorption or for the reversible optical storage of information.Type: GrantFiled: February 1, 1993Date of Patent: April 18, 1995Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Jurgen Finter, Heinz Spahni
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Patent number: 5300663Abstract: Compounds of formula V, ##STR1## wherein R is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthiol, phenyl, benzyl, --CN, --CF.sub.3, halogen or --COOR.sub.5, and R.sub.5 is H, C.sub.1 -C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, and at least one of the substituents R.sub.1 to R.sub.4 is an organic thiol, sulfoxyl or sulfonyl group, and the other members R.sub.1 to R.sub.4 are H, F, Cl or Br, are reversible photochromic systems which can be used for contrast formation or light absorption.Type: GrantFiled: January 11, 1993Date of Patent: April 5, 1994Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Evelyn Fischer, Ernst Minder, Manfred Hofmann, Jurgen Finter, Heinz Spahni
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Patent number: 5225525Abstract: Compounds of formula I or III or mixtures thereof ##STR1## wherein R is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, phenyl, benzyl, --CN, --CF.sub.3, halogen or --COOR.sub.3, x is 1 or 2, and R.sub.1 is H, linear or branched C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or C.sub.2 -C.sub.12 alkynyl, C.sub.7 -C.sub.16 aralkyl, C.sub.8 -C.sub.16 alkaralkyl, --CH.sub.2 COOR.sub.3 or C.sub.1 -C.sub.12 acyl, wherein R.sub.3 is H, C.sub.1 -C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, are reversible photochromic systems which can be used for contrast formation, light absorption or for the reversible optical storage of information.Type: GrantFiled: September 17, 1992Date of Patent: July 6, 1993Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Jurgen Finter, Heinz Spahni
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Patent number: 5208354Abstract: Compounds of formula I or V or mixtures thereof ##STR1## whereinR is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, phenyl, benzyl, --CN, --CF.sub.3, halogen or --COOR.sub.5, and R.sub.5 is H, C.sub.1 -C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, and at least one of the substituents R.sub.1 to R.sub.4 is --F, --Cl or --Br, or is independently the group RO--, and the other substituents R.sub.1 to R.sub.4 are H, --F, --Cl or --Br, are reversible photochromic systems which can be used for contrast formation, light absorption or for the reversible optical storage of information.Type: GrantFiled: December 2, 1991Date of Patent: May 4, 1993Assignee: Ciba-Geigy Corp.Inventors: Walter Fischer, Jurgen Finter, Heinz Spahni
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Patent number: 5206395Abstract: Compounds of the formula I or V, or mixtures thereof, ##STR1## wherein R is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, phenyl, benzyl, --CN, --CF.sub.3, halogen or --COOR.sub.5, and R.sub.5 is H, C.sub.16 l-C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, and at least one of the substituents R.sub.1 to R.sub.4 is an organic thio, sulfoxyl or sulfonyl group, and the other members R.sub.1 to R.sub.4 are H, F, Cl or Br, are reversible photochromic systems which can be used for contrast formation or light absorption.Type: GrantFiled: May 8, 1992Date of Patent: April 27, 1993Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Evelyn Fischer, Ernst Minder, Manfred Hofmann, Jurgen Finter, Heinz Spahni
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Patent number: 5177218Abstract: Compounds of formula I or III or mixtures thereof ##STR1## wherein R is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, phenyl, benzyl, --CN, --CF.sub.3, halogen or --COOR.sub.3, x is 1 or 2, and R.sub.1 is H, linear or branched C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or C.sub.2 -C.sub.12 alkynyl, C.sub.7 -C.sub.16 aralkyl, C.sub.8 -C.sub.16 alkaralkyl, --CH.sub.2 COOR.sub.3 or C.sub.1 -C.sub.12 acyl, wherein R.sub.3 is H, C.sub.1 -C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, are reversible photochromic systems which can be used for contrast formation, light absorption or for the reversible optical storage of information.Type: GrantFiled: December 30, 1991Date of Patent: January 5, 1993Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Jurgen Finter, Heinz Spahni
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Patent number: 5177227Abstract: Compounds of formula I or V, or mixtures thereof, ##STR1## wherein R is unsubstituted C.sub.6 -C.sub.14 aryl or C.sub.6 -C.sub.14 aryl which is substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthiol, phenyl, benzyl, --CN,--CF.sub.3, halogen or --COOR.sub.5, and R.sub.5 is H, C.sub.1 -C.sub.18 alkyl, cyclohexyl, cyclopentyl, phenyl, C.sub.1 -C.sub.12 alkylphenyl, benzyl or C.sub.1 -C.sub.12 alkylbenzyl, and at least one of the substituents R.sub.1 to R.sub.4 is an organic thiol, sulfoxyl or sulfonyl group, and the other members R.sub.1 to R.sub.4 are H, F, Cl or Br, are reversible photochromic systems which can be used for contrast formation or light absorption.Type: GrantFiled: January 10, 1991Date of Patent: January 5, 1993Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Evelyn Fischer, Ernst Minder, Manfred Hofmann, Jurgen Finter, Heinz Spahni
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Patent number: 5116674Abstract: A composite structure comprising a substrate having deposited thereon an electrically conductive metal film which is coated with a layer of porous metal oxide, wherein a thin, transparent and electrically conductive film of an anodically oxidizable metal is deposited on at least one surface of said substrate, the metal film having thereon a thin transparent coating of an oxide of said metal, and wherein the oxide coating has, distributed over the surface thereof, fine pores which are closed adjacent to the metal film.The composite material can be used as an optical information recording material or as a transparent electrode.Type: GrantFiled: January 16, 1990Date of Patent: May 26, 1992Assignee: Ciba-Geigy CorporationInventors: Beat Schmidhalter, Heinz Spahni