Patents Assigned to Ciba-Geigy Corporation
  • Patent number: 5663336
    Abstract: A process for the synthesis of compounds of formula I ##STR1## wherein Ar.sub.1, Ar.sub.2, A.sub.1, A.sub.2, R and X are as defined in the description, exhibit valuable pharmaceutical properties and are effective especially against diseases responsive to the inhibition of protein kinases, for example tumors.
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: September 2, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Uwe Trinks, Peter Traxler
  • Patent number: 5663273
    Abstract: Di-, tri- and poly-perfluoroalkyl-substituted alcohols and acids and derivatives thereof are described which are prepared from perfluoroalkyl iodides and di-, tri- or polyallyl alcohols or acids. These compounds contain two or more perfluoroalkyl-iodoalkyl or perfluoroalkyl-alkenyl groups and one or two alcohol or acid groups or derivatized alcohol or acid functions. They can be reacted with isocyanates, epoxy compounds, anhydrides, acids or acid derivatives to prepare a great variety of oil- and water-repellent compositions which are useful for oil- and water-repellent treatment of textiles, glass, paper, leather and other substrates.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: September 2, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Marlon Haniff, Robert Falk, Ted Deisenroth, Karl F. Mueller
  • Patent number: 5663128
    Abstract: Products are described which can be obtained by reacting components a), b), c) and d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II, component c) is a compound of the formula III or a mixture of compounds of the formula III and component d) is a compound of the formula IV or a mixture of compounds of the formula IV, ##STR1## in which the general symbols are as defined in claim 1, the compound of the formula I being, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,2-propanediol, diethylene glycol, triethylene glycol, diethanolamine or glycerol, the compound of the formula II being, for example, sunflower oil or coconut fat, the compound of the formula III being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate and the compound of the formula IV, being for example, sulfur or diisopropyl dithiophosphate.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: September 2, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Samuel Evans, Paul Dubs, Hugo Camenzind
  • Patent number: 5662898
    Abstract: The present invention is directed to the production of an antipathogenic substance (APS) in a host via recombinant expression of the polypeptides needed to biologically synthesize the APS. Genes encoding polypeptides necessary to produce particular antipathogenic substances are provided, along with methods for identifying and isolating genes needed to recombinantly biosynthesize any desired APS. The cloned genes may be transformed and expressed in a desired host organisms to produce the APS according to the invention for a variety of purposes, including protecting the host from a pathogen, developing the host as a biocontrol agent, and producing large, uniform amounts of the APS.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: September 2, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: James M. Ligon, Thomas Schupp, James Joseph Beck, Dwight Steven Hill, John Andrew Ryals, Thomas Deane Gaffney, Stephen Ting Lam, Philip E. Hammer, Scott Joseph Uknes
  • Patent number: 5663176
    Abstract: Mixtures of certain triazole fungicides (component I) and 4,6-dimethyl-N-phenyl-2-pyrimidinamine (component II) achieve synergistically enhanced activity against fungus infestation. Components I and II can also be applied to plant crops individually, one immediately after the other.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: September 2, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Adolf Hubele, Ronald Zeun
  • Patent number: 5663201
    Abstract: A salt of formula ##STR1## where X denotes a group of formula ##STR2## Y denotes a group of formula ##STR3## and R denotes the residue of an aliphatic or cycloaliphatic sulphonic acid having at least 3 carbon atoms after removal of a --SO.sub.3 H group therefrom.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: September 2, 1997
    Assignee: CIBA-GEIGY Corporation
    Inventors: Nicholas Lowther, Ian Francis Hassan, Ian Timothy William Matthews
  • Patent number: 5662928
    Abstract: A method for the prevention or removal of undesired crystals of scopolamine from a non-aqueous matrix of a transdermal system in which the scopolamine is dispersed is disclosed wherein the method comprises dynamically heating the scopolamine containing layer during the process of or immediately prior to assembling two laminates which once assembled encase the scopolamine containing layer.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: September 2, 1997
    Assignee: Ciba-Geigy Corporation
    Inventor: Richard L. Braun
  • Patent number: 5660623
    Abstract: The present invention provides a method of reducing the tendency of a resinated pigment product to self-heat which comprises treating an aqueous slurry of the pigment with a compound of a multivalent metal or metalloid under conditions such as will precipitate an insoluble compound of the metal or metalloid on the pigment, and then isolating the treated pigment.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: August 26, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Ian Alexander Macpherson, John Aldred Nimmo, Brian Tuck
  • Patent number: 5661001
    Abstract: The invention pertains to the field of thrombin inhibitors and describes the production of modified desulphatohirudins, particularly desulphatohirudins, with the aid of genetic engineering. The present invention is also directed to a method for the denaturation and renaturation of a modified desulphatohirudin to a biologically active thrombin inhibitor and the combination of two or more of desulphatohirudins to form higher molecular weight thrombin inhibitors.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: August 26, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Hugo Grossenbacher, Jui Yoa Chang, Walter Marki
  • Patent number: 5658898
    Abstract: The invention relates to a novel advantageous dosage form for sparingly soluble staurosporin derivatives, especially N-benzoyl-staurosporin. The dosage form is administrable intravenously in the form of a nanoemulsion and comprises as solubilisers a combination of phospholipids, triglycerides and partial fatty acid esters of polyoxyethylene sorbitan.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: August 19, 1997
    Assignee: CIBA GEIGY Corporation
    Inventors: Hans Georg Weder, Ute Isele
  • Patent number: 5659067
    Abstract: A description is given of a process for the preparation of 2,5-bis(1,1-dimethyl-4-hexyloxycarbonylbutyl)hydroquinone by reacting 5-methyl-4-hexenoic acid (m)ethyl ester, which is obtainable by reacting 2-hydroxy-2-methyl-3-butene with tri(m)ethyl orthoacetate in the presence of an acid catalyst, with hydroquinone according to Friedel-Crafts, and transesterifying the resulting 2,5-bis(1,1-dimethyl-4-(m)ethoxycarbonylbutyl)-hydroquinone product direct with hexanol in a one-pot process.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: August 19, 1997
    Assignee: Ciba-Geigy Corporation
    Inventor: Reinhard Sommerlade
  • Patent number: 5658712
    Abstract: Novel (meth)acrylates which also contain urethane groups and other polymerizable groups in one and the same molecule and can be polymerized either by means of free radicals and/or cationically are used for the production of coatings, adhesives, photoresists, solder masks or in stereolithography. The mouldings produced therefrom contain a coherent, homogeneous network and have high strength properties, in particular mechanical properties.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: August 19, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Bettina Steinmann, Jean-Pierre Wolf, Adrian Schulthess, Max Hunziker
  • Patent number: 5656760
    Abstract: The present invention provides a compound having the formula: ##STR1## in which M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-C.sub.1 -C.sub.4 hydroxyalkylammonium or ammonium that is di- or tri-substituted by a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups; R.sub.1 is a group having the formula: ##STR2## in which M has its previous significance and n is 1 or 2; and R.sub.2 is O--C.sub.1 -C.sub.12 alkyl or N(R.sub.3)(R.sub.4) in which R.sub.3 and R.sub.4, independently, are hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.4 hydroxyalkyl, or R.sub.3 and R.sub.4, together with the nitrogen atom, are the atoms required to form a pyrrolidine, piperidine or morpholine group.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: August 12, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Jean-Pierre Bacher, Claude Eckhardt, Dieter Reinehr
  • Patent number: 5654434
    Abstract: An environmentally friendly process is described for the preparation of 4-hydroxy-2,2,6,6-tetramethylpiperidine-N-oxyl by the direct hydrogen peroxide oxidation of 4-hydroxy-2,2,6,6-tetramethylpiperidine in the absence of any catalyst.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: August 5, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Stephen D. Pastor, Andrea R. Smith, Kurt M. Bessonen
  • Patent number: 5654468
    Abstract: Disclosed are compounds of formula ##STR1## wherein R is hydroxy, esterified hydroxy or etherified hydroxy;R.sub.1 is halogen, trifluoromethyl or lower alkyl;R.sub.2 is halogen, trifluoromethyl or lower alkyl;R.sub.1 is halogen, trifluoromethyl, lower alkyl, aryl, aryl-lower alkyl, cycloalokyl or cycloalkyl-lower alkyl; orR.sub.3 is the radical ##STR2## wherein R.sub.8 is hydrogen, lower alkyl, aryl, cycloalkyl, aryl-lower alkyl or cycloalkil-lower alkyl; R.sub.9 is hydroxy or acyloxy; R.sub.10 represents hydrogen or lower alkyl; or R.sub.9 and R.sub.10 together represent oxo;R.sub.4 is hydrogen, halogen, trifluoromethyl or lower alkyl;X is --NR.sub.7, S or O;W is O or S;R.sub.5 represents hydrogen, lower alkyl or aryl-lower alkyl; andR.sub.6 represents hydrogen; orR.sub.5 and R.sub.6 together represent oxo provided that X represents --NR.sub.7 ;R.sub.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: August 5, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Naokata Yokoyama, deceased, Gordon Northrop Walker, Alan Joseph Main
  • Patent number: 5654430
    Abstract: The invention relates to novel oligomeric compounds of the formula I ##STR1## in which L is a group of the formula ##STR2## where the oxygen in the group L is in each case bonded to the phosphorus in the recurring structural units and the radical R.sub.2 or the carbon in the 4-position of the piperidinyl ring in the group L is in each case bonded to the oxygen in the recurring structural units; and the general symbols are as defined in claim 1, as stabilizers for organic materials against oxidative, thermal or light-induced degradation.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: August 5, 1997
    Assignee: Ciba-Geigy Corporation
    Inventor: Rita Pitteloud
  • Patent number: 5654455
    Abstract: Catalyst systems which comprise a transition metal and a tris(organophosphite) ligand are particularly effective as catalysts for hydrosilation reactions.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: August 5, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Stephen D. Pastor, Sai P. Shum
  • Patent number: 5654445
    Abstract: .delta.-Amino-.gamma.-hydroxy-.omega.-aryl-alkanoic acid amides of formula I ##STR1## and the salts thereof, have renin-inhibiting properties and can be used as antihypertensive medicinal active ingredients.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: August 5, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Richard Goschke, Jurgen Klaus Maibaum, Walter Schilling, Stefan Stutz, Pascal Rigollier, Yasuchika Yamaguchi, Nissim Claude Cohen, Peter Herold
  • Patent number: 5652364
    Abstract: Novel process for the preparation of 2,2,6,6-tetramethyl-4-piperidyloxy-1,3,5-triazines, based on the reaction of cyanuric chloride with C.sub.1 -C.sub.4 alkanols or with sodium or potassium C.sub.1 -C.sub.4 alkoxides and subsequent reaction with 2,2,6,6-tetramethyl-4-piperidinols in the presence of a transesterification catalyst.The various reactions can be carried out in the same reactor, without isolation of the intermediates.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: July 29, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Graziano Vignali, Fabrizio Guizzardi, Graziano Zagnoni, Roberto Scrima
  • Patent number: 5652322
    Abstract: Heat-curable epoxy resin systems comprising(a) at least one epoxy resin,(b) at least one polycarboxylic acid anhydride, and(c) 1,4-diazabicyclo(2,2,2)octane or a C.sub.1 -C.sub.4 alkyl-substituted derivative of 1,4-diazabicyclo(2,2,2)octane as curing accelerator, andwherein one portion of the curing accelerator (c) is replaced by(d) a complex of a boron halide with an amine,have good reactivity at elevated temperatures and comparatively high stability at temperatures below c. 80.degree. C.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: July 29, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Roland Moser, Daniel Bar