Patents Examined by D. Dinner
  • Arylglyoxals
    Patent number: 4592876
    Abstract: Arylglyoxals which are new compounds, active as hypoglycemic agents.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: June 3, 1986
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Vern G. DeVries
  • Oxirane compounds
    Patent number: 4532341
    Abstract: Oxirane compounds of the formula ##STR1## in which R represents tert-butyl, iso-propyl radical, cyclopropyl, substituted cyclopropyl, cyclopentyl or substituted cyclopentyl, cyclohexyl or substituted cyclohexyl, in each case the substituent being selected from methyl, or phenyl which is optionally mono or di-substituted by identical or different substituents selected from fluorine, chlorine, methyl and trifluoromethyl,Y represents a grouping --OCH.sub.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: July 30, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger, Wilhelm Brandes
  • Pesticidal nitromethane derivatives
    Patent number: 4503222
    Abstract: Sulphenyl nitromethane derivatives of formula: ##STR1## in which R.sup.1 represents an alkyl group or a cycloalkyl-alkyl group; and R.sup.2 represents an alkyl group optionally substituted by one or more halogen atoms or an aryl group optionally substituted by one or more halogen atoms or by one or more alkyl or alkoxy groups, exhibit pesticidal, in particular insecticidal activity. They are prepared by reacting the corresponding nitromethylene carboxylate with a sulphenyl halide R.sup.2 --S--Hal in the presence of a base.
    Type: Grant
    Filed: January 17, 1984
    Date of Patent: March 5, 1985
    Assignee: Shell Oil Company
    Inventor: Martin Harris