Patents by Inventor Allyn Roy Bell

Allyn Roy Bell 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).

  • 3-aryldihydrouracils
    Patent number: 4927451
    Abstract: A compound having the structural formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.4 alkenyl or trifluoromethyl; R.sup.2 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 --C.sub.4 alkenyl, C.sub.7 -C.sub.10 aralkyl or C.sub.7 -C.sub.10 haloaralkyl; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen or C.sub.1 -C.sub.2 alkyl; X is halogen; Y is hydrogen, C.sub.1 -C.sub.4 alkyl or halogen; and Z is oxygen or sulfur is disclosed. In addition, a process for forming the compound is set forth. A method for controlling weeds which comprises applying a herbicidally effective amount of the compound recited above is also described. Finally, a composition, useful as a herbicide, including the compound of this invention and a suitable carrier therefor is taught.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: May 22, 1990
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd/Ltee
    Inventors: Walter G. Brouwer, Ethel Ellen Felauer, Allyn Roy Bell
  • Herbicidal method using 2-sulfinyl or 2-sulfonyl pyridine N-oxide derivatives
    Patent number: 4019893
    Abstract: Preemergence or postemergence control of weeds is effected by applying certain 2-sulfinyl or 2-sulfonyl pyridine N-oxide derivatives, e.g., 2-(4-chlorophenylmethylsulfonyl)pyridine N-oxide.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: April 26, 1977
    Assignee: Uniroyal Inc.
    Inventors: Howard L. Plant, Allyn Roy Bell