Patents Represented by Attorney Edward M. Roberts
  • Patent number: 5541148
    Abstract: A selective herbicidal composition for the control of grasses and weeds in crops of useful plants comprisesa) a herbicidally effective amount of a pyrimidine of formula I ##STR1## wherein the substituents are defined in claim 1 and b) as safener a herbicide-antagonistically effective amount of an N-acylsulfamoylphenylurea of formula IIb ##STR2## wherein the substituents are defined in claim 1.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: July 30, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Jutta Glock, Elmar Kerber
  • Patent number: 5284939
    Abstract: There is described a process for the preparation of highly concentrated aqueous solutions of specific cationic azo dyes. The solutions are prepared by diazotising a diazo component in a solution which contains sulfuric acid, coupling the diazotised component to a coupling component, treating the resultant azo dye with a bicarbonate, and converting the dye bicarbonate with an organic acid into the dye salt of said acid.
    Type: Grant
    Filed: May 14, 1992
    Date of Patent: February 8, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Alex Nicopoulos, Hanspeter Birri, Gerhard Hanika
  • Patent number: 5232462
    Abstract: The invention relates to dye mixtures which contain dyes of the formulae ##STR1## and to dyes of the formula ##STR2## in which A.sub.1, A.sub.2, A.sub.3, B, B.sub.1, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Z.sub.1, Z.sub.2, X.sub.1, X.sub.2 and X.sub.3 are as defined in claim 1. The dyes and dye mixtures are distinguished by generally good properties and produce dyeings and prints having good wet and light fastness properties.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: August 3, 1993
    Assignee: Ciba-Geigy Corporation
    Inventor: Athanassios Tzikas
  • Patent number: 5162544
    Abstract: Pyrroline- or indoline-containing phthalides of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other lower alkyl, C.sub.5 -C.sub.7 cycloalkyl or benzyl or, when taken together, are C.sub.4 -C.sub.6 alkylene,Y is alkyl or not more than 12 carbon atoms, unsubstituted or substituted by halogen, cyano, hydroxy or lower alkoxy, or is benzyl,X is hydrogen, alkyl of 1 to 12 carbon atoms or an aryl radical, and the ring A is a benzene or naphthalene ring which is unsubstituted or substituted by one or more members selected from the group consisting of halogen, cyano, lower alkyl, lower alkoxy or lower alkoxycarbonyl, and the ring B is an aromatic or heteroaromatic radical which contains 6 ring atoms and which may contain an aromatic fused ring, which ring B as well as the fused ring may be substituted.These phthalides are particularly suitable for use as color formers in pressure- or heat-sensitive recording materials and give lightfast yellow, orange or red images.
    Type: Grant
    Filed: January 8, 1991
    Date of Patent: November 10, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Rox Phaff
  • Patent number: 5155194
    Abstract: The invention relates to a hydrogel which is a copolymer of a polymerizable monomer mixture which containsa) 2-85 mol-% of a hydrophobic vinyl monomer with at least three fluorine atoms,b) 2-80 mol-% of a hydrophobic polyhydroxy vinyl monomer whose hydroxyl groups are in protected form,c) 2-70 mol-% of a hydrophilic vinyl monomer and,d) based on the total amount of monomers a)-c), 0-5 mol-% of a crosslinker, in which hydrogel the hydroxyl groups of the segments formed by the monomers b) are in protected or in free form.These hydrogels can be used, for example, as contact lenses, intraocular lenses or in other areas of application where biologically tolerated materials are required.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: October 13, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Gerhard Kossmehl, Horst Schafer, Norbert Klaus, Jurgen Volkheimer, Madjid Rezaii-Djafari
  • Patent number: 5153140
    Abstract: A process for controlling and optimizing chemical industrial processes for the preparation of dyes, fluorescent whitening agents and their intermediates, which process comprises controlling and optimizing those processes by differential analysis of the UV/VIS absorption spectra of at least one starting compound and of at least one reaction product. The advantage of this process is that the actual state of a process can be constantly measured, assessed, and used for feed-back and feed-forward control.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: October 6, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Horst Langfeld, Roland Minges, Claudio Puebla, Wilhelm Schmidt
  • Patent number: 5120364
    Abstract: The present invention relates to perfluoroalkyl substituted sulfates and salts thereof of the formulas(R.sub.f X CH.sub.2).sub.x C(CH.sub.2 OH).sub.y (CH.sub.2 OSO.sub.3 -M+).sub.z (I)or(R.sub.f E X CH.sub.2).sub.x C(CH.sub.2 OH).sub.y (CH.sub.2 OSO.sub.3 -M+).sub.z(II)wherein R.sub.f is a straight or branched chain perfluoroalkyl of 1 to 18 carbon atoms or said perfluoroalkyl substituted by perfluoroalkoxy of 2 to 6 carbon atoms,E is branched or straight chain alkylene of 1 to 10 carbon atoms or said alkylene interrupted by one to three groups selected from the group consisting of --NR--, --O--, --S--, --SO.sub.2 --, --COO--, --OOC--, --CONR--, --NRCO--, --SO.sub.2 NR-- and NRSO.sub.2 -- or terminated at the R.sub.f end with --CONR-- or --SO.sub.2 NR--, where R.sub.f is attached to the carbon or sulfur atom, and for formula II, X is --S--, --O--, --SO.sub.2 --, or --NR--, and for formula I, X is --CONR-- or --SO.sub.2 NR--, where R.sub.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: June 9, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanasios Karydas, Yung Loh
  • Patent number: 5045084
    Abstract: A process for the trichromatic dyeing or printing of natural and synthetic polyamide fibre materials, which comprises using at least one red dye of the formula ##STR1## in which D,R.sub.1,R.sub.2,R.sub.3,R.sub.4 and n are as defined in claim 1, together with at least one yellow or orange dye of the formula ##STR2## in which B.sub.1,B.sub.2,E.sub.1 and X are as defined in claim 1, or ##STR3## in which Z.sub.1,Z.sub.2 and Z.sub.3 are as defined in claim 1, or mixtures of dyes of the formulae (2) and (3), or a yellow dye of the formula ##STR4## in which W.sub.1,W.sub.2,W.sub.3 and W.sub.4 are as defined in claim 1, or mixtures of dyes of the formulae (2),(3) and (4) and at least one blue dye of the formula ##STR5## in which one Y and Z.sub.4 are as defined in claim 1 are used. The process according to the invention is suitable for dying natural or synthetic polyamide materials from aqueous liquor or for printing with printing pastes; and in particular for dyeing from short liquors.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: September 3, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Harald Walter
  • Patent number: 5017211
    Abstract: The invention is concerned with novel compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the significances given in the description, as well as enol ethers and salts thereof and their manufacture, weed control compositions which contain such compounds as the active substance and the use of the active substances or compositions for the control of weeds. The invention is also concerned with certain novel starting materials and their production.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: May 21, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Jean Wenger, Paul Winternitz, Martin Zeller
  • Patent number: 5013707
    Abstract: Pressure-sensitive or heat-sensitive recording material in which the color reactant system contains, as essential components,(A) an electron-donating compound of the formula ##STR1## in which Y.sub.1 and Y.sub.2 are substituents which are detachable as anions and can be identical, different or bound to one another and Q.sub.1 is --O--, --S--, >N--R or >N--NH--R,Q.sub.2 is --CH.sub.2 --, --CO--, --CS-- or SO.sub.2 --,R is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.10 cycloalkyl, aryl or aralkyl and ring A is an aromatic radical which has 6 ring atoms and can contain an aromatic fused ring, it being possible not only for ring A but also for the fused ring to be substituted,(B) two organic condensation components which are identical to or different from one another and together are capable of forming a chromogenic compound with component (A) and(C) an electron-withdrawing and color-developing component.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: May 7, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Rox Phaff, Rudolf Zink
  • Patent number: 4973711
    Abstract: Novel 13-spiro-2'-[tetrahydrofuran]-milbemycins of the formula I ##STR1## in which X represents one of the groups --CH(OR.sub.1)--, --C(.dbd.O)-- or --C(.dbd.N--OH)--;R.sub.1 represents hydrogen or a OH-protecting group;R.sub.2 represents methyl, ethyl, isopropyl or sec.-butyl or the group --C(CH.sub.3).dbd.CH--A in which A represents methyl, ethyl or isopropyl; andR.sub.3 represents hydrogen; C.sub.1 -C.sub.10 -alkyl; C.sub.1 -C.sub.10 -alkyl substituted by at least one substituent selected from the group consisting of halogen, C.sub.1 -C.sub.6 -alkoxy, C.sub.2 -C.sub.6 -alkoxyalkoxy, C.sub.3 -C.sub.9 -alkoxyalkoxyalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.1 -C.sub.3 -alkyl-substituted C.sub.3 -C.sub.7 -cycloalkyl, hydroxy, benzyloxy, C.sub.1 -C.sub.6 -acyl and C.sub.1 -C.sub.6 -acyloxy, it being possible for each of the above-mentioned radicals representing or containing an alkoxy group to be terminally substituted at a terminal alkoxy group by hydroxy, halogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: November 27, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Peter Maienfisch
  • Patent number: 4963574
    Abstract: Use of a compound of formula ##STR1## wherein A is an aromatic-heterocyclic ring which contains an oxygen or nitrogen atom, and n is 1 or 2, for controlling insects and plant-destructive nematodes and to a composition containing such a compound. The compounds of this invention are particularly suitable for controlling sucking insects.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: October 16, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Markus Bachmann, Laurenz Gsell, Hanspeter Fischer
  • Patent number: 4946854
    Abstract: Novel compounds of formula I ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.7, R.sup.8 and R.sup.9, independently of the others, is H or halogen,R.sup.4 is H, R.sup.10 CO-- or R.sup.11 NHCO-- wherein R.sup.10 is a C.sub.1 -C.sub.4 alkyl group which is unsubstituted or substituted by one to three identical or different substituents selected from the group consisting of halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 - acyloxy and --COOG, wherein G is H, an alkali metal cation or an alkaline earth metal cation, and R.sup.11 is an unsubstituted or halo-substituted C.sub.1 -C.sub.4 alkyl or phenyl group,each of R.sup.5 and R.sup.6, independently of the other, is H, halogen, alkyl or haloalkyl andX is O, S(O)n or NH wherein n is 0, 1 or 2, the preparation of the novel compounds and their use against parasites in and on productive livestock and against insect pests, and novel starting materials and their preparation.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: August 7, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Maienfisch, Jean-Claude Gehret, Bruno Frei
  • Patent number: 4933437
    Abstract: The invention relates to a process for the preparation of asymmetrical 1:2 chromium complex azo dyes of not less than 90% purity and containing at least one water-solubilizing group, which process comprises reacting a mixture of two metallizable azo dyes that contain identical diazo components or identical coupling components, in the molar ratio of 0.85:1.0 to 1.2:1.0, with the proviso that only one of said two azo dyes contains at least one water-solubilizing group, with a chromium donor, under pressure and at a temperature above 100.degree. C. and in the pH range from 0 to 2, and subsequently carrying out further reaction in a weakly acid, neutral or weakly alkaline pH range, utilizing a single vessel for all stepsThe dyes obtained by the process of the invention are particularly suitable for dyeing wool or polyamide materials.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: June 12, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Walter Iff, Daniel Parisot, Hans Schaller
  • Patent number: 4918097
    Abstract: The present invention relates to novel derivatives of formula I that can be derived from milbemycins, to their preparation and their use for controlling pests, and also to pesticides that contain at least one of these compounds as active ingredient.The novel compounds have the general formula I ##STR1## in which X is one of the groups --CH(OR.sub.1)--, --C(O)-- or --C(=N--OR)--;R.sub.1 is hydrogen or an OH-protecting group;R is hydrogen, an OH-protecting group, or an alkyl or cycloalkyl group;R.sub.2 is methyl, ethyl, isopropyl or sec.-butyl;andPh is a phenyl ring that is substituted by R.sub.a, R.sub.b, R.sub.c and R.sub.d, wherein each of R.sub.a, R.sub.b, R.sub.c and R.sub.d, independently of the others, is hydrogen, C.sub.1 -C.sub.10 alkyl, C.sub.2 -C.sub.10 alkoxyalkyl, C.sub.2 -C.sub.10 alkenyl, C.sub.1 -C.sub.10 alkoxy, C.sub.2 -C.sub.10 alkoxyalkoxy, or a phenyl or phenoxy radical that is unsubstituted or is substituted by at least one substituent from the group C.sub.1 -C.sub.3 alkyl and C.sub.1 -C.
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: April 17, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Anthony C. O'Sullivan
  • Patent number: 4917721
    Abstract: Novel 5-(N-3,4,5,6-tetrahydrophthalimido)benzoic acid esters of formula I below have good selective herbicidal properties pre- and postemergence and also influence or inhibit plant growth.The novel compounds are of formula I ##STR1## wherein n is 0, 1 or 2,R is C.sub.1 -C.sub.3 alkyl,R.sub.1 is hydrogen or halogen,R.sub.2 is halogen,X is oxygen or sulfur,A is a straight chain or branched C.sub.1 -C.sub.4 alkylene bridge,Q is a 5- or 6-membered heterocycle which is bound through carbon or nitrogen and contains 1 to 3 hetero atoms and may further contain one or two carbonyl groups, which heterocycle may be fused to benzene rings and substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, nitro, cyano, C.sub.1 -C.sub.3 alkylamino or di(C.sub.1 -C.sub.3)alkylamino, or Q is C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.2 -C.sub.8 alkoxyalkyl, nitro or di(C.sub.1 -C.sub.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: April 17, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Georg Pissiotas, Hans Moser, Beat Bohner
  • Patent number: 4914190
    Abstract: Disperse dyes of the formula ##STR1## in which X is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, Y is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 alkoxy, R is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5- or 6-ring, B is a straight-chain or branched C.sub.2 -C.sub.6 alkylene radical, Z is a bridge member of the formula ##STR2## or a direct bond and A is a radical of the formula ##STR3## which radicals are unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro are suitable in particular for dyeing textile material made of polyester fibers.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: April 3, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Liechti, Angelo Della Casa
  • Patent number: 4904300
    Abstract: Imidazole derivatives of formula I ##STR1## and the stereochemically isomeric forms thereof, and salts thereof, have useful herbicidal properties. The substituents R.sup.1, L and X have the meanings defined herein.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: February 27, 1990
    Assignee: Ciba-Geigy Corp.
    Inventors: Hans-Dieter Schneider, William R. Lutz, Henry Szczepanski, Werner Topfl
  • Patent number: 4892880
    Abstract: The invention relates to pesticidal compositions which contain 2-(3-pyridyl)-1,3,4-thiadiazoles or 5-(3-pyridyl)-1,2,4-thiadiazoles of the formula ##STR1## wherein R.sub.1 is ##STR2## and each of R.sub.2 and R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl, to the novel compounds of the formula I themselves, to the preparation thereof, and to the use thereof in pest control.
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: January 9, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Odd Kristiansen, Jozef Drabek
  • Patent number: D371678
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: July 16, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Sharla Borghorst, Erich Baumann, John Golby, Peter Hagmann, Peter Herbrechtsmeier, Otto Kretzschmar, Bernhard Seiferling, Michele De Lucchi, Torsten Fritze, Masahiko Cubo