Patents Represented by Attorney Joseph G. Kolodny
  • Patent number: 4713081
    Abstract: The invention provides aqueous dyestuff preparations of water-insoluble or sparingly water-soluble dyes which may be used for preparing printing pastes to be used for printing textile material as well as for printing supports for transfer printing. The preparations contain at least 10% by weight of water, 10 to 60% by weight of a finely dispersed water-insoluble or sparingly water-soluble dye, 0.1 to 5% by weight of at least one anionic dispersant, and 0.5 to 5% by weight of a non-ionic copolymer of ethylene oxide and a further olefin oxide, said copolymer having an ethylene oxide content of at least 65% by weight and a molecular weight of more than 12,000, and also, if desired, further ingredients.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: December 15, 1987
    Assignee: Ciba-Geigy Corporation
    Inventor: Carl Becker
  • Patent number: 4692442
    Abstract: The invention relates to 2-penem-3-carboxylic acid compounds of the formula ##STR1## in which R.sub.a represents an organic radical bonded by a carbon atom to the ring carbon atom, a free, etherified or esterified hydroxy or mercapto group or a halogen atom, R.sub.1 represents hydrogen, an organic radical bonded by a carbon atom to the ring carbon atom, or an etherified mercapto group, and R.sub.2 represents a hydroxy group or an R.sub.2.sup.A radical that together with the carbonyl grouping --C(.dbd.O)-- forms a protected carboxyl group, and to salts of such compounds with salt-forming groups, processes for the manufacture of such compounds, pharmaceutical preparations containing compounds of the formula I with pharmacological properties, and their use. The compounds have antibiotic activity.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: September 8, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Jacques Gosteli, Ivan Ernest, Marc Lang, Robert B. Woodward
  • Patent number: 4680384
    Abstract: Dyes of the formula ##STR1## in which D is the radical of an organic dye, R is hydrogen or a low molecular weight alkyl group, X is an unsubstituted or substituted alklyl or alkenyl radical, one Y is halogen and the other Y is a substituent.
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: July 14, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl Seitz, Henri Riat, Karl Hoegerle
  • Patent number: 4678611
    Abstract: Dyestuff intermediates of the formula ##STR1## wherein R.sub.1 represents hydrogen, an alkyl radical of 1 to 8 carbon atoms or a phenyl radical, R.sub.2 represents hydrogen or an acyl radical and Z represents hydrogen or a sulfo group, and the use thereof for the manufacture of azo dyes of the formula ##STR2## wherein D represents the radical of a coupling component, R.sub.1 represents hydrogen, an alkyl radical of 1 to 8 carbon atoms or a phenyl radical, and R.sub.2 represents hydrogen or an acyl radical, or of azo dyes of the formula ##STR3## wherein K is the radical of a coupling component, Z represents hydrogen or the sulfo group, and R.sub.2 represents hydrogen or an acyl radical.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: July 7, 1987
    Assignee: Ciba-Geigy Corporation
    Inventor: Rudolf Hurter
  • Patent number: 4668273
    Abstract: The invention relates to processes for the treatment of substrates which comprise applying at least one ammonium salt to the substrate as an algicide, bactericide or fungicide, said ammonium salt containing units which contain diepoxide and diamine radicals.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: May 26, 1987
    Assignee: Ciba-Geigy Corporation
    Inventor: Jaroslav Haase
  • Patent number: 4661292
    Abstract: The invention relates to a process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinone, starting from 1,4-diaminoanthraquinones, or salts thereof, of the formula ##STR1## wherein n is 0, 1 or 2. To introduce the two cyanide radicals, the starting material is treated, in the presence of an oxidizing agent, with a compound which donates cyanide ions. The process comprises using as solvent a mixture of a carboxamide, an N-alkylated carboxamide or a lactam and water, which mixture contains more than 10% by weight of water.1,4-Diamino-2,3-dicyanoanthraquinone is an important intermediate for the synthesis of textile dyes.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: April 28, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Rudolf Schaulin, Maurice Grelat
  • Patent number: 4659333
    Abstract: The invention relates to a process for fixing azo, metal complex azo and formazan dyes on textile fabrics with hot steam to give stable shades, which process comprises fixing textile fabrics dyed or printed with said dyes in hot steam that contains at least 0.5% by volume of air.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: April 21, 1987
    Assignee: CIBA-GEIGY Corporation
    Inventor: Andres Schaub
  • Patent number: 4626497
    Abstract: A light-sensitive recording material which provides polymer images and contains, on a base, a layer of a photocrosslinkable polymer with an average molecular weight of 10.sup.3 to 10.sup.6, the copolymer having been prepared from(1) a (meth)acrylate, (meth)acrylamide or vinyl ether derivative which contains at least one maleimide group of the formula ##STR1## in which R.sub.1 and R.sub.2 are each alkyl having 1 to 4 carbon atoms, or R.sub.1 and R.sub.2 together with the carbon atoms to which they are bonded form a 5-membered or 6-membered carbocyclic ring,(2) an ethylenically unsaturated comonomer containing acid groups, this comonomer being present in an amount of at least 18 percent by weight, based on the total amount of the comonomers, and, optionally,(3) at least one further ethylenically unsaturated comonomer which differs from the comonomers (1) and (2).
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: December 2, 1986
    Assignee: Ciba-Geigy AG
    Inventors: Martin Roth, Beat Muller, Joseph Berger, Peter Loew
  • Patent number: 4620973
    Abstract: The invention relates to the use of nootropics, particularly Piracetam.RTM., in connection with the treatment of cancer with cytostatically effective preparations, for the prevention or mitigation of side effects which are caused by cytostatics.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: November 4, 1986
    Assignee: Ciba Geigy Corporation
    Inventor: Peter Truog
  • Patent number: 4614818
    Abstract: A process for the preparation of dyes of the formula ##STR1## in which D is a dye radical and R.sub.1 and R.sub.2 independently of one another is hydrogen or C.sub.1-4 -alkyl, which comprises reacting cyanuric fluoride of the formula ##STR2## simultaneously with a dye of the formula ##STR3## and with an ammonium salt of an amine of the formulaH.sub.2 N--R.sub.2 (4)in a neutral to alkaline medium, to give dyes of the formula (1) as single compounds in good yields in one operation. The novel process has the advantage of being able to be carried out as a "one-pot process" in a closed reaction vessel so that the apparatus is simple and immission by cyanuric fluoride is excluded.
    Type: Grant
    Filed: January 18, 1983
    Date of Patent: September 30, 1986
    Assignee: Ciba Geigy Corporation
    Inventors: Rolf Deitz, Herbert Seiler
  • Patent number: 4609609
    Abstract: Compounds of the formula(B--L).sub.m A--L'--B').sub.n (1),in which A is the radical of a bisazo or trisazo dye, L and L' are organic radicals and B and B' are cyclic organic radicals and at least one of the radicals B and B' has spectral absorption in the UV region and one of the radicals B and B' is different from 2,4-dihydroxyphenyl, m is 1 or 2 and n is 0, 1 or 2.The compounds are suitable for use as image dyes in photographic silver dye bleach materials.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: September 2, 1986
    Assignee: Ciba Geigy AG
    Inventors: Thomas-Markus Rohr, Jakob Kuhn
  • Patent number: 4609620
    Abstract: Compounds of the formula ##STR1## where Y is a tertiary group, X is hydrogen or a leaving group, and Q is hydrogen, amidino, alkyl or aryl, there being present in Y or Q a ballasting group which comprises 10 to 30 carbon atoms, exhibit a high secondary absorption in the blue region of the visible spectrum and are useful couplers in chromogenic monochrome negative material.
    Type: Grant
    Filed: April 9, 1985
    Date of Patent: September 2, 1986
    Assignee: Ciba Geigy AG
    Inventors: Stephen R. Postle, William E. Long
  • Patent number: 4600719
    Abstract: Compounds of the class of (2-benzofuranyl)-1,2,3,6-tetrahydropyridines and (2-benzofuranyl)-piperidines which at the ring nitrogen atom are unsubstituted or substituted by a substituent of the class of certain aliphatic, cycloaliphatic and araliphatic radicals, and their pharmaceutically acceptable acid addition salts have valuable pharmacological properties. In particular, they inhibit monoamine oxidase and antagonise the action of tetrabenazine. They are useful as active ingredients for therapeutic compositions for the treatment of mental depression. Specific embodiments are 4-(2-benzofuranyl)-piperidine, 2-(5,6-dimethyl-2-benzofuranyl)-piperidine and their hydrochlorides.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: July 15, 1986
    Assignee: Ciba Geigy Corporation
    Inventors: Karl Schenker, Raymond Bernasconi
  • Patent number: 4591642
    Abstract: The invention concerns 7.beta.-amino-cepham-3-one-4-carboxylic acid compounds, particularly esters thereof, and the N-substituted, especially N-acylated derivatives of such compounds. They can be used as intermediates, for example, for the manufacture of the corresponding enol ethers and esters, as well as the corresponding 3-unsubstituted 7.beta.-amino-3-cephem-4-carboxylic acid compounds, which show outstanding pharmacological effects.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: May 27, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Riccardo Scartazzini, Hans Bickel
  • Patent number: 4578457
    Abstract: The invention relates to novel reactive dyes of the formula ##STR1## wherein Z is --NH.sub.2, C.sub.1 -C.sub.6 alkylamino, N,N--di(C.sub.1 -C.sub.6)alkylamino, cyclohexylamino, N--(C.sub.1 -C.sub.6)alkyl-N-cyclohexylamino, N,N-dicyclohexylamino, phenyl(C.sub.1 -C.sub.2)alkylamino, N--(C.sub.2 -C.sub.4)alkyl-N-phenylamino, naphthylamino, a heterocyclic radical which is bound through an amino group and which may contain further fused carbocyclic rings, or a radical which is bound through the nitrogen atom of an N-heterocyclic ring and which may contain further hetero-atoms, and wherein the alkyl and cyclohexyl moieties, phenyl and naphthyl rings and heterocyclic radicals may be further substituted, and one Y is hydrogen and the other is sulfo. Strong red dyeings and prints are obtained with these dyes on cellulose fibres.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: March 25, 1986
    Assignee: Ciba-Geigy AG
    Inventor: Herbert Seiler
  • Patent number: 4578305
    Abstract: A photochromic assembly is produced by coating onto a self-supporting flexible plastics material a polymer latex comprising from 10 to 40% by weight to the total solids of the latex photochromic glass beads from 0.05 .mu.m to 50 .mu.m in size.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: March 25, 1986
    Assignee: Ciba-Geigy AG
    Inventors: Stephen R. Postle, Samuel B. Kingston
  • Patent number: 4576885
    Abstract: A photographic silver dye bleach material which contains a compound of the formula ##STR1## in which R is a substituted alkyl, R.sub.1 is substituted or unsubstituted alkyl, p is 1 or 2, q is 0 or 1, p+q having to be 1 or 2, and n is 1 to 20, or a salt of this compound.The benzoquinones used deactivate bleach catalysts which diffuse beyond the silver image area produced by development of the exposed material. The silver dye bleach material containing these compounds is therefore distinguished by high contrast, high sharpness and good color reproduction.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: March 18, 1986
    Assignee: Ciba-Geigy AG
    Inventors: Mario Fryberg, Heinrich Schaller, Rolf Steiger, Heinz Peter
  • Patent number: 4575482
    Abstract: Photographic materials which comprise, on a base, at least one layer containing an azo dyestuff of the formula ##STR1## in which R.sub.1 is hydrogen, an alkylsulfone, halogen, cyano or nitro, R.sub.2 is hydrogen, halogen, cyano or nitro, R.sub.3 is hydrogen, alkyl, halogen, cyano or nitro, B.sub.1 is an aromatic ring system, K.sub.1 is an aromatic amine and m.sub.1 is 1 or 2.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: March 11, 1986
    Assignee: Ciba-Geigy AG
    Inventor: John Lenoir
  • Patent number: 4568752
    Abstract: Recording material for color photography, which contains, in at least one silver halide emulsion layer, at least one yellow coupler of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are alkyl, cycloalkyl or aryl, X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are radicals detachable during the coupling reaction and Y.sub.1 and Y.sub.2 are halogen, alkyl, alkoxy, alkylmercapto, --CN, --COOH, carbalkoxy, --NH.sub.2, --NHR.sub.5, --NR.sub.5 R.sub.6 or --NHCOR.sub.5, in which R.sub.5 and R.sub.6 are alkyl or phenyl, Z is a divalent bridge member and r is 1 or 2.Photographic colored images with excellent spectral absorption characteristics and good resistance to light, heat and moisture are obtained by exposing the recording material image-wise and developing.
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: February 4, 1986
    Assignee: Ciba-Geigy AG
    Inventor: Mario Fryberg
  • Patent number: 4565775
    Abstract: In a process for the production of photographic images by the silver dye bleach process, a photograph material is used which, on a base, comprises at least one silver halide-free gelatin layer, which contains a diffusion-resistant bleachable image dye, the gelatin/dye ratio being at most 10:1, and a silver halide emulsion layer which is arranged directly on top of the former layer on the side facing the light source and is free of image dye, and the exposed material is processed in a dye and silver bleach bath which contains a combination of oxidizing agents of the formula (1a) with bleach catalysts of the formulae (2a) and (3), or of the oxidizing agent of the formula (1b) with bleach catalysts of the formula (2b).
    Type: Grant
    Filed: January 9, 1985
    Date of Patent: January 21, 1986
    Assignee: Ciba-Geigy AG
    Inventor: Eddy Forte