Patents by Inventor Homer K. Spencer

Homer K. Spencer 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: 4432989
    Abstract: Fungicides of the formula: ##STR1## wherein R.degree. is alkyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, cycloalkylalkyl in which the cycloalkyl is of 3 to 6 carbon atoms and the alkyl portion of 1 to 3 carbon atoms, said cycloalkyl and cycloalkylalkyl being optionally ring substituted by one or two alkyl groups of 1 to 3 carbon atoms, andR is hydrogen, fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms or nitro, andR' is hydrogen, fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, --CF.sub.
    Type: Grant
    Filed: April 27, 1982
    Date of Patent: February 21, 1984
    Assignee: Sandoz, Inc.
    Inventor: Homer K. Spencer
  • Patent number: 4326879
    Abstract: Herbicides are of the formula ##STR1## wherein W is fluoro, bromo, chloro or CF.sub.3,each of X and X.degree. is independently H, fluoro, chloro, bromo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3 or nitro,Z and Z.sub.1 are independently oxygen or sulfur, with the proviso that at least one is oxygen,each of Y and Y.degree. is independently H, fluoro, chloro, bromo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3 or nitro,R.sub.1 and R.sub.4 are independently H, C.sub.1 -C.sub.4 alkyl and --COOR.sub.5 wherein R.sub.5 is H or C.sub.1 -C.sub.4 alkyl,R.sub.2 and R.sub.3 are independently H, C.sub.1 -C.sub.5 alkyl, fluoro, chloro, bromo or hydroxy, andR and R.degree. are independently H or C.sub.1 -C.sub.3 alkyl or both together form a covalent bond or an epoxy bridge (--O--),with the further proviso that no two adjacent ring members in either Rings A or B are from the group of t-butyl, t-butoxy and CF.sub.3.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: April 27, 1982
    Assignee: Sandoz, Inc.
    Inventors: Homer K. Spencer, Melvin M. Graben
  • Patent number: 4301158
    Abstract: Fungicides are of the formula: ##STR1## wherein R and R' are each independently alkyl of 1 to 4 carbon atoms,R.degree. is trihalomethyl in which the halo atoms are of atomic weight of from 18 to 36, e.g. trifluoromethyl or trichloromethyl, cyano or --SO.sub.2 NR"R"', andR" and R"' are each independently hydrogen or alkyl of 1 to 4 carbon atoms.
    Type: Grant
    Filed: April 11, 1980
    Date of Patent: November 17, 1981
    Assignee: Sandoz, Inc.
    Inventor: Homer K. Spencer
  • Patent number: 4214889
    Abstract: 2-amino-4H-3,1 benzoxazines, eg 6-chloro 2-dimethylamino-4H, 3,1-benzoxazine, are useful as herbicides. The compounds may be prepared by reacting an amine with a 2-halomethylphenyl isocyanate.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: July 29, 1980
    Assignee: Sandoz, Inc.
    Inventors: Stewart W. Myers, Homer K. Spencer
  • Patent number: 4164407
    Abstract: 2-amino-4H-3,1 benzoxazines, e.g. 6-chloro 2-dimethylamino-4H, 3,1-benzoxazine, are useful as herbicides. The compounds may be prepared by reacting an amine with a 2-halomethylphenyl isocyanate.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: August 14, 1979
    Assignee: Sandoz, Inc.
    Inventors: Stewart W. Myers, Homer K. Spencer