Patents by Inventor Emyr G. Williams

Emyr G. Williams 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).

  • Biologically active amide derivatives
    Patent number: 4579581
    Abstract: Herbicidal and fungicidal benzamide derivatives of the formula (I) ##STR1## wherein R.sup.1 is an optionally substituted alkyl, alkenyl, aryl, heterocyclyl, benzyl, or heterocyclylmethyl radical;R.sup.2 is hydrogen, or an optionally substituted alkyl, alkenyl, benzyl, or heterocyclylmethyl, radical;X is oxygen, sulphur, or an --NH-- group;R.sup.3 is an optionally substituted alkyl or alkenyl radical when X is oxygen or sulphur, or is an optionally substituted alkanoyl radical when X is --NH--;and E is a --CN, --CONH.sub.2, --CSNH.sub.2, or --CONR.sup.4 R.sup.5 group wherein each R.sup.4 and R.sup.5 is an optionally substituted alkyl or alkenyl group.
    Type: Grant
    Filed: February 22, 1984
    Date of Patent: April 1, 1986
    Assignee: Imperial Chemical Industries PLC
    Inventors: Ian T. Kay, David Bartholomew, Emyr G. Williams, Robert A. Noon
  • Certain cyano containing aryl amides, compositions containing same and fungicidal use thereof
    Patent number: 4447446
    Abstract: Amide derivatives of the formula (I) ##STR1## wherein R.sup.1 is phenyl optionally substituted with halogen, lower alkyl, lower alkoxy, halo-lower alkoxy, methylenedioxy, lower alkylthio or cyano;R.sup.2 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.5 alkenyl;X is oxygen or sulfurR.sup.3 is lower alkyl, lower haloalkyl or lower alkenyl; andE is --CN.These amides possess fungicidal and herbicidal properties.
    Type: Grant
    Filed: February 26, 1982
    Date of Patent: May 8, 1984
    Assignee: Imperial Chemical Industries PLC
    Inventors: Ian T. Kay, David Bartholomew, Emyr G. Williams, Robert A. Noon