Patents by Inventor Thomas H. Cromartie

Thomas H. Cromartie 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).

  • Method of controlling plants by inhibition of farnesyl pyrophosphate synthase
    Patent number: 5756423
    Abstract: A method of controlling the growth of plants comprising applying to the locus of such plants an herbicidally effective amount of a compound exhibiting an IC.sub.50 value of less than about 300 nM in the inhibition of farnesyl pyrophosphate synthase in daffodil chromoplasts.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: May 26, 1998
    Assignee: Zeneca Limited
    Inventors: Thomas H. Cromartie, Karl J. Fisher
  • Novel imidate insecticides
    Patent number: 5045566
    Abstract: A series of novel imidate insecticides distinguished by the general formula ##STR1## in which R.sub.1 is an optionally substituted aryl group in which the substituents are halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.3 -C.sub.6 cycloalkyl, nitro, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.5 carboalkoxy, C.sub.1 -C.sub.4 alkylthio, cyano, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.2 -C.sub.4 haloalkylsulfonyl; C.sub.2 -C.sub.5 alkylcarbonyl, C.sub.2 -C.sub.4 alkyleneoxy, C.sub.1 -C.sub.2 perhaloalkyleneoxy; C.sub.1 -C.sub.4 alkylendioxy, C.sub.1 -C.sub.3 halo-substituted alkylenedioxy, phenyl, mono-substituted phenyl, pyridyloxy, C.sub.2 -C.sub.4 alkylene, C.sub.2 -C.sub.4 alkenyl, C.sub.3 -haloalkenoxy; and/or amido;R.sub.2 is C.sub.1 -C.sub.7 alkyl, C.sub.1 -C.sub.6 haloalkyl, cyclopropyl, cyclobutyl, mono- or poly- halo- or methyl-substituted cyclopropyl, cyano, C.sub.2 -C.sub.4 alkoxyalkyl, C.sub.2 -C.sub.6 haloalkenyl or C.sub.2 -C.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: September 3, 1991
    Assignee: ICI Americas Inc.
    Inventors: Michael D. Broadhurst, Thomas H. Cromartie, Karl J. Fisher, William G. Haag
  • Certain thioimidate and amidine insecticides
    Patent number: 4992453
    Abstract: Insecticidal compounds having the formula ##STR1## in which R is an optionally substituted aryl moiety; R.sub.2 is an optionally substituted alkyl, cycloalkyl or alkenyl moiety, X is sulfur, amino or C.sub.1 -C.sub.4 monoalkylamino; and R.sub.3 is: (a) an optionally substituted 3-phenoxyphenalkyl, 3-phenoxypyridylalkyl or 3-(4-pyridyloxy)phenalkyl moiety; (b) pentafluorobenzyl; or (c) 2-methyl-3-phenylbenzyl.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: February 12, 1991
    Assignee: ICI Americas Inc.
    Inventors: Michael D. Broadhurst, Thomas H. Cromartie
  • Thiomidate insecticides
    Patent number: 4931448
    Abstract: Insecticidal compounds having the formula ##STR1## in which R is an optionally substituted aryl moiety; R.sub.2 is an optionally substituted alkyl, cycloalkyl or alkenyl moiety, X is sulfur, amino or C.sub.1 -C.sub.4 monoalkylamino; and R.sub.3 is: (a) an optionally substituted 3-phenoxyphenalkyl, 3-phenoxypyridylalkyl or 3-(4-pyridyloxy)phenalkyl moiety; (b) pentafluorobenzyl; or (c) 2-methyl-3-phenylbenzyl.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: June 5, 1990
    Assignee: ICI Americas Inc.
    Inventors: Michael D. Broadhurst, Thomas H. Cromartie