Patents by Inventor Heinz Wolleb
Heinz Wolleb 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: 6399768Abstract: There was found a metallocenyl-phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, in which at least one of the four phenyl rings of the phthalocyanine contains, bound via a bridge unit E, at least one metallocene radical as substituent, E being composed of a chain of at least two atoms or atom groups selected from the group consisting of —CH2—, —C(═O)—, —CH(C1-C4alkyl)—, —C(C1-C4alkyl)2—, —NH—, —S—, —O— and —CH═CH—, as well as mixtures of the novel compounds which comprise, inter alia, isomers, a process for the production, the use and recording media comprising the novel compounds.Type: GrantFiled: August 2, 1999Date of Patent: June 4, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Heinz Wolleb, Annemarie Wolleb, Beat Schmidhalter, Jean-Luc Budry
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Patent number: 6120944Abstract: The invention relates to a color-pigmented high molecular weight organic material structured from a radiation-sensitive precursor by irradiation, the pigmentation of which material consists of extremely fine particles, at least 80 mol % of the pigmentation consisting of a pigment of the class diketopyrrolopyrrole, dioxazine, isoindoline, isoindolinone, disazo condensation yellow or benzimidazolonazo, each containing at least one --NHCO-- group, and, where appropriate, a second pigment of the class diketopyrrolopyrrole, dioxazine, isoindoline, isoindolinone, benzimidazolonazo, disazo or phthalocyanine, and, when the structure of the main pigment is point-symmetrical, the two pigments being present in a balanced molar ratio of from 1:1 to 7:3. Those materials are used preferably in the form of thin layers which are built up in patterns in one or more layers on a transparent substrate and can be used, for example, as optical color filters.Type: GrantFiled: April 8, 1998Date of Patent: September 19, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Ulrich Schadeli, Eric Tinguely, Veronique Hall-Goulle, Heinz Wolleb, Zhimin Hao, Abul Iqbal
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Patent number: 6087492Abstract: This invention relates to a phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, which comprises at least one unsubstituted or substituted formyl, carbonyl, hydroxymethyl or carboxyl group which as attached at the peripheral carbon skeleton.These phthalocyanines or their derivatives are used in recording layers of optical recording media.There is also claimed a novel process for the preparation of some of these compounds corresponding to formula III ##STR1## wherein M is a divalent metal, oxometal, halogenometal or hydroxymetal, or 2 hydrogen atoms,X is halogen, or 2 X in vicinal position on a phenyl ring form together a --C.dbd.C--C.dbd.C-- bridge so that an additional phenyl ring is obtained,Y is --OR.sub.1, --OOC--R.sub.2, --NHR.sub.1, --N(R.sub.1)R.sub.2 or --SR.sub.Type: GrantFiled: February 9, 1999Date of Patent: July 11, 2000Assignee: Ciba Specialty Chemicals CorporationInventor: Heinz Wolleb
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Patent number: 5962657Abstract: A cyanine dye complex of formula I ##STR1## consisting of a cyanine dye and a chromium or cobalt metal azo ligand complex is particularly useful in a process for optically recording, storing or reproducing information using a recording medium, especially when the process is carried out at the wavelength range from 600 to 800 nm.Type: GrantFiled: January 26, 1999Date of Patent: October 5, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Heinz Wolleb, Beat Schmidhalter
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Patent number: 5958650Abstract: This invention relates to an optical recording medium, comprising a substrate, a recording layer and a reflecting layer, where the recording layer comprises at least one dye of formula ##STR1## wherein A.sub.1 and A.sub.2 are each independently of the other C(CH.sub.3).sub.2, O, S, Se, or CH.dbd.CH which is unsubstituted or substituted by C.sub.1 -C.sub.5 alkyl or benzyl;M.sub.1 and M.sub.2 are each independently of the other Cr.sup.3+ or Co.sup.3+ ;L.sub.1 and L.sub.1 ' are each independently of the other a ligand of formula ##STR2## L.sub.2 and L.sub.2 ' are each independently of the other and independently of L.sub.1 and L.sub.1 ' a ligand of formula (II), (III) or ##STR3## m is a number from 0.2 to 1.0; and n, depending on m, is a number from 0.0 to 0.8, so that the sum of m and n equals 1.0;p and q are each independently of the other 0 or 1; andQ is CR.sub.15, CR.sub.15 --CR.sub.16 .dbd.CR.sub.17 or CR.sub.15 --CR.sub.16 .dbd.CR.sub.17 --CR.sub.18 .dbd.CR.sub.19.Type: GrantFiled: December 19, 1997Date of Patent: September 28, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Heinz Wolleb, Beat Schmidhalter
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Patent number: 5871882Abstract: An optical recording medium comprising a substrate, a reflecting layer and a recording layer, which recording layer consists essentially of one or more than one dye of formula (I) or chlorination or bromation products thereof ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.8 alkyl or C.sub.2 -C.sub.8 alkenyl;R.sub.3, R.sub.6, R.sub.9 and R.sub.12 are hydrogen, halogen, CN, CHO, C.sub.1 -C.sub.8 alkyl or unsubstituted or substituted C.sub.6 -C.sub.14 aryl;R.sub.4, R.sub.5, R.sub.7, R.sub.8, R.sub.10 and R.sub.11 are hydrogen, halogen, NO.sub.2, CHO, COOR.sub.13, CONR.sub.14 R.sub.15, CN or unsubstituted or substituted C.sub.1 -C.sub.8 alkyl or C.sub.2 -C.sub.8 alkenyl;or R.sub.4 and R.sub.5, R.sub.7 and R.sub.8 and/or R.sub.10 and R.sub.11 together are an unsubstituted or substituted 1,4-buta-1,3-dienylene, 2-buten-1,4-diylidene, 1,3-propylene or 1,4-butylene bridge, so as to form, optionally together with the shared C--C or C.dbd.Type: GrantFiled: July 9, 1997Date of Patent: February 16, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Beat Schmidhalter, Heinz Wolleb, Marcus Baumann
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Patent number: 5851621Abstract: The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, which recording layer consists essentially of a dye of the formula (I), ##STR1## in which R.sub.1 and R.sub.6 are hydrogen or unsubstituted or substituted alkyl, alkenyl, alkynyl, aralkyl or aryl,R.sub.6 and R.sub.7 are unsubstituted or substituted alkyl, alkenyl, alkynyl, aralky or aryl,R.sub.3, R.sub.4, R.sub.8 and R.sub.9 are hydrogen, halogen, OR.sub.17, SR.sub.17, NR.sub.18 R.sub.19, NO.sub.2, alkyl, alkenyl or Alkynyl,R.sub.5 and R.sub.10 are hydrogen, halogen, OR.sub.17, SR.sub.17, NO.sub.2, NR.sub.18 R.sub.19 or unsubstituted or substituted alkyl, alkenyl, alkynyl or aralkyl, andR.sub.11 is hydrogen, (CH.sub.2).sub.1-10 COO.sup.-, (CH.sub.2).sub.1-10 COOR.sub.Type: GrantFiled: April 23, 1997Date of Patent: December 22, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Heinz Wolleb, Beat Schmidhalter, Jean-Luc Budry
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Patent number: 5830267Abstract: The invention relates to the coloration of high molecular weight organic materials in the mass with soluble phthalocyanine precursors of structure ##STR1## or isomers thereof, to the soluble phthalocyanine precursors as such wherein M is Zn, Ti or V or wherein L.sub.1 is morpholino, pyrrolidino or with C.sub.1 -C.sub.12 alkyl substituted piperidino, to compositions containing high molecular weight organic materials and the above soluble phthalocyanine precursors, and to a process for making structured color images and applications thereof.Type: GrantFiled: May 6, 1996Date of Patent: November 3, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: John Zambounis, Heinz Wolleb
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Patent number: 5817804Abstract: Mixtures of isomeric substituted phthalocyanines, and process for their preparation Mixtures of four .alpha.-alkoxy-substituted phthalocyanine isomers, predominantly ##STR1## or of four .beta.-alkoxy-substituted phthalocyanine isomers, whereMe is a divalent metal atom or a divalent oxo metal,R.sub.1 is a linear or branched C.sub.1 --C.sub.16 alkyl, C.sub.3 --C.sub.16 alkenyl or C.sub.3 --C.sub.16 alkynyl radical which is unsubstituted or substituted by C.sub.1 --C.sub.12 alkoxy, --CN, NO.sub.2, halogen, --OH, phenyl, cyanophenyl, nitrophenyl, halophenyl, hydroxyphenyl or (C.sub.1 --C.sub.12 alkoxy)phenyl,wherein two isomers of the formula II and of the formula III make up at least 80% of the total mixture and the two other isomers make up at most 20% of the total mixture, with the ratio between the compounds of the formula II and the compounds of the formula III being from 0.3 to 3.0: 1.The isomer mixtures can be obtained by reacting .alpha.- or .beta.Type: GrantFiled: April 23, 1997Date of Patent: October 6, 1998Assignee: Ciba Specialty Chemicals CorporationInventor: Heinz Wolleb
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Patent number: 5668227Abstract: Novel cyclohexyl-group-containing glycidyl ethers of formulae I to IV according to claim 1, which are distinguished especially by a low chlorine content and a low viscosity and which can be used, for example, in epoxy resin formulations as reactive diluents, flexibilisers or adhesion enhancers, or can also be polymerised per se and used as coatings or casting resins, the products having only slight water absorption and having good external weather resistance.Type: GrantFiled: March 11, 1996Date of Patent: September 16, 1997Assignee: Ciba-Geigy CorporationInventors: Heinz Wolleb, Andreas Kramer
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Patent number: 5663326Abstract: Mixtures of four .alpha.-alkoxy-substituted phthalocyanine isomers, predominantly ##STR1## or of four .beta.-alkoxy-substituted phthalocyanine isomers, whereMe is a divalent metal atom or a divalent oxo metal,R.sub.1 is a linear or branched C.sub.1 -C.sub.16 alkyl, C.sub.3 -C.sub.16 alkenyl or C.sub.3 -C.sub.16 alkynyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.12 alkoxy, --CN, NO.sub.2, halogen, --OH, phenyl, cyanophenyl, nitrophenyl, halophenyl, hydroxyphenyl or (C.sub.1 -C.sub.12 alkoxy)phenyl,wherein two isomers of the formula II and of the formula III make up at least 80% of the total mixture and the two other isomers make up at most 20% of the total mixture, with the ratio between the compounds of the formula II and the compounds of the formula III being from 0.3 to 3.0:1.The isomer mixtures can be obtained by reacting .alpha.- or .beta.Type: GrantFiled: September 18, 1995Date of Patent: September 2, 1997Assignee: Ciba-Geigy CorporationInventor: Heinz Wolleb
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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: 5594128Abstract: A process for the preparation of a mixture of positionally isomeric brominated tetraalkoxymetal phthalocyanines of the formula I, ##STR1## where Me is Cu(II), Pd(II), Zn(II), Sn(II), Ni(II), Co(II), Pb(II), Mn(O) or V(O), x is a number from 1 to 5, and R.sub.1 to R.sub.4, independently of one another, are linear or branched C.sub.1 -C.sub.16 alkyl, C.sub.3 -C.sub.16 alkenyl or C.sub.3 -C.sub.16 alkynyl radicals which are unsubstituted or substituted by C.sub.1 -C.sub.12 alkoxy, CN, NO.sub.2, halogen, OH, phenyl, cyanophenyl, nitrophenyl, halophenyl, hydroxyphenyl or (C.sub.1 -C.sub.12 alkoxy)phenyl,by reacting a tetraalkoxy metal phthalocyanine of the formula II with bromine, ##STR2## which comprises carrying out the reaction in a halogenated, aromatic solvent, essentially water-immiscible in the presence of a second, aqueous phase.Type: GrantFiled: September 20, 1995Date of Patent: January 14, 1997Assignee: Ciba-Geigy CorporationInventor: Heinz Wolleb
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Patent number: 5583223Abstract: There are disclosed compounds ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently of one another hydrogen, a C.sub.1 -C.sub.12 alkyl group, a C.sub.1 -C.sub.12 alkoxy group, a C.sub.5 -C.sub.8 cycycloalkyl group, a C.sub.5 -C.sub.8 cycycloalkoxy group, a C.sub.5 -C.sub.8 cycloalkylthio group, a C.sub.6 -C.sub.10 aryl group, a C.sub.6 -C.sub.10 aryloxy group, a C.sub.6 -C.sub.10 arylthio group, nitro, halogen, cyano, --COOH, --COOR.sub.7, --NR.sub.8 R.sub.9 or --CONR.sub.8 R.sub.9, where R.sub.7 is C.sub.1 -C.sub.20 alkyl, C.sub.5 -C.sub.8 cycloalkyl, phenyl or phenyl-C.sub.1 -C.sub.4 alkyl, and R.sub.8 and R.sub.9 are each independently of the other hydrogen, C.sub.1 -C.sub.8 alkyl, phenyl or phenyl-C.sub.1 -C.sub.4 alkyl, X is nitrogen or CR.sub.4, Y is nitrogen or CR.sub.5 and Z is nitrogen or CR.sub.6, and R.sub.4, R.sub.5 and R.sub.6 are each independently of one another hydrogen, a straight-chain or branched C.sub.1 -C.sub.12 alkyl group or a C.sub.6 -C.sub.Type: GrantFiled: October 2, 1995Date of Patent: December 10, 1996Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Beat Schmidhalter, Heinz Wolleb
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Patent number: 5481002Abstract: There are disclosed compounds ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently of one another hydrogen, a C.sub.1 -C.sub.12 alkyl group, a C.sub.1 -C.sub.12 alkoxy group, a C.sub.5 -C.sub.8 cycloalkyl group, a C.sub.5 -C.sub.8 cycloalkoxy group, a C.sub.5 -C.sub.8 cycloalkylthio group, a C.sub.6 -C.sub.10 aryl group, a C.sub.6 -C.sub.10 aryloxy group, a C.sub.6 -C.sub.10 arylthio group, nitro, halogen, cyano, --COOH, --COOR.sub.7, --NR.sub.8 R.sub.9 or --CONR.sub.8 R.sub.9, where R.sub.7 is C.sub.1 -C.sub.20 alkyl, C.sub.5 -C.sub.8 acycloalkyl, phenyl or phenyl-C.sub.1 -C.sub.4 alkyl, and R.sub.8 and R.sub.9 are each independently of the other hydrogen, C.sub.1 -C.sub.8 alkyl, phenyl or phenyl-C.sub.1 -C.sub.4 alkyl, X is nitrogen or CR.sub.4, Y is nitrogen or CR.sub.5 and Z is nitrogen or CR.sub.6, and R.sub.4, R.sub.5 and R.sub.6 are each independently of one another hydrogen, a straight-chain or branched C.sub.1 -C.sub.12 alkyl group or a C.sub.6 -C.sub.Type: GrantFiled: December 14, 1993Date of Patent: January 2, 1996Assignee: Ciba-Geigy CorporationInventors: Walter Fischer, Beat Schmidhalter, Heinz Wolleb
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Patent number: 5470896Abstract: Solutions of accelerator systems comprising a binary system comprisinga) 10 to 90% by weight of a salt of formula I[Me].sub.m.sup.x.sym. [R].sub.n.sup.y.crclbar. (I),wherein x and y are the respective number of charges and m and n are each a number 1, 2, 3 or 4, Me is a metal atom and R is the radical of an alcohol, phenol or thiophenol or of a carboxylic acid or thiocarboxylic acid, or10 to 90% by weight of a salt of formula II[Me.sub.1 ].sub.m.sup.x.sym. [A].sub.n.sup.y.crclbar. (II),with an organic complex former containing one or more hetero atoms having free electron pairs,wherein Me.sub.1 is a metal atom or a group of the formula N(R.sub.1).sub.4, S(R.sub.1).sub.3 or P(R.sub.1).sub.4 wherein each R.sub.1 independently of the others is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical, A is any anion and x, y, m and n are as defined above, andb) 90 to 10% by weight of an organic solvent containing at least one --OH, --OR.sub.1, --COOH, --COOR.sub.1, --COR.sub.1 or --CON(R.Type: GrantFiled: January 20, 1995Date of Patent: November 28, 1995Assignee: Ciba-Geigy CorporationInventors: Alex Wegmann, Heinz Wolleb
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Patent number: 5342903Abstract: A process for the preparation of adducts by reacting an alcohol with an epoxy compound in the presence of a catalyst, which comprises reacting an alcohol of formula I ##STR1## wherein A is an aliphatic, cycloaliphatic or araliphatic radical and r is a number from 1 to 10, with a mono- or diepoxide in the equivalent ratio of 1:20 to 20:1, based on the hydroxyl and epoxy groups, in the presence of a metal complex of formula II as catalyst[M.sup.n+ (L.sub.1).sub.x (L.sub.2).sub.y (L.sub.3.sup.m-).sub.z ][X.sup.k- ].sub.(n-zm)/k (II),whereinM is a metal of the main groups or subgroups of the Periodic Table of the Elements,L.sub.1 and L.sub.2 are weakly bonded, neutral, unidentale or multidentate ligands,L.sub.3 is a strongly bonded, non-replaceable neutral or anionic unidentale or multidentate ligand,X is an anion of the following formulae BF.sub.4.sup.-, PF.sub.6.sup.-, AsF.sub.6.sup.-, SbF.sub.6.sup.-, ClO.sub.4.sup.-, IO.sub.4.sup.-, NO.sub.3.sup.Type: GrantFiled: April 30, 1993Date of Patent: August 30, 1994Assignee: Ciba-Geigy CorporationInventors: Heinz Wolleb, Andreas Hafner, William M. Rolfe
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Patent number: 5162547Abstract: An improved process for the preparation of glycidyl ethers of formula I ##STR1## wherein Q is an aliphatic, cycloaliphatic or araliphatic radical of a valency m, R is --H or --CH.sub.3, and m is an integer from 1 to 10,by reacting an alcohol of formula Q--(OH).sub.m with m mol of an epihalohydrin of formula II ##STR2## in the presence of a catalyst to the corresponding halohydrin ether, and dehydrohalogenating said halohydrin ether with an alkali metal hydroxide to give a compound of formula I, wherein Q, m and R are as defined above and Hal is halogen,which process comprises using as catalysta) tin difluoride orb) a divalent tin halide in conjunction with a co-catalyst.Type: GrantFiled: December 9, 1991Date of Patent: November 10, 1992Assignee: Ciba-Geigy CorporationInventors: Martin Roth, Heinz Wolleb, Marc-Andre Truffer
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Patent number: 4994346Abstract: The present invention relates to a negative photoresist essentially comprising(a) at least one solid, film-folrming polyphenol,(b) at least one polyfunctional epoxy resin and/or one polyfunctional vinyl ether compound, each of which can be dissolved, in the uncured state, in aqueous alkaline media with salt formation,(c) at least one cationic photoinitiator for component (b) and(d) customary additives, if desired.Components (a) and (b) can also be combined in one molecule. The resist can be developed in aqueous alkaline media.Type: GrantFiled: July 20, 1988Date of Patent: February 19, 1991Assignee: Ciba-Geigy CorporationInventors: Kurt Meier, Martin Roth, Adrian Schulthess, Heinz Wolleb