Patents Examined by D. I. Dinner
  • Patent number: 4705557
    Abstract: Aryltriazolinones of the formula ##STR1## in which W is oxygen or sulfur, X.sup.1 and X.sup.2 are independently selected from halogen, haloalkyl, and alkyl, and R, R.sup.1 and R.sup.2 are selected from various radicals are disclosed as herbicides. Herbicidal efficacy and preparation of the compounds are described and exemplified.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: November 10, 1987
    Assignee: FMC Corporation
    Inventor: Lester L. Maravetz
  • Patent number: 4686294
    Abstract: Compounds of the formula ##STR1## are described in which R.sub.1 represents a perfluoroalkyl radical of from 1 to 2 carbon atoms, and at least one of R.sub.2 and R.sub.3 represents hydrogen, and the other, or both represent lower alkyl, and R.sub.4 represents a lower alkyl radical which may be unsubstituted or bear certain substitution, and which are useful as herbicides in a method for controlling weeds and wild grasses. Compositions containing such compounds are also described. Finally, novel fluoro-thio semicarbazides are described which are useful intermediates in the production of the compounds of Formula I.
    Type: Grant
    Filed: December 20, 1968
    Date of Patent: August 11, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl Hoegerle, Hans J. Cellarius, Paul Rathgeb, Jurg Rumpf
  • Patent number: 4607102
    Abstract: A compound which is represented by a free acid of the following formula, ##STR1## wherein X is hydrogen, halogen, alkyl or cyano, R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen or alkyl, R.sub.4 is alkyl, W is alkylene, cycloalkylene or arylene, Q is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is a group capable of being splitted by the action of an alkali, D is a benzene or naphthalene ring, l and m are independently a number of not less than 0 but not more than 3, and n is a number of more than 0 but not more than 3, provided that l, m and n satisfy 0<l+m+n.ltoreq.4, and which is useful for dyeing fiber materials a blue color with a good build-up property to give a dyed product having excellent fastness properties.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: August 19, 1986
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masao Nishikuri, Takashi Omura, Akira Takeshita