Patents by Inventor William S. Grove, deceased

William S. Grove, deceased has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4400530
    Abstract: A process for preparing a diphenyl ether of the formula: ##STR1## wherein: X is hydrogen or halogen;Y is hydrogen, halogen, cyano, trifluoromethyl, or an alkyl radical containing 1 to 4 carbon atoms;Z is oxygen or sulfur;R is a methylidene or monosubstituted methylidene, wherein the substituent is selected from the group consisting of alkyl, oxoalkyl and hydroxyalkyl radicals containing from 1 to 4 carbon atoms; andR.sup.
    Type: Grant
    Filed: March 12, 1981
    Date of Patent: August 23, 1983
    Assignee: PPG Industries, Inc.
    Inventor: William S. Grove, deceased
  • Patent number: 4319917
    Abstract: Disclosed are certain N-(2-cyanoalkoxy)methyl-N-(2-,3-, or 6-alkylphenyl)-.alpha.-haloacetamides having herbicidal activity, their mode of preparation and the use thereof to control weeds.
    Type: Grant
    Filed: March 12, 1981
    Date of Patent: March 16, 1982
    Assignee: PPG Industries, Inc.
    Inventor: William S. Grove, deceased