Patents by Inventor Robert L. Arotin

Robert L. Arotin 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).

  • 4-carboxy-2-aryloxyphenoxyalkyl substituted heterocycles useful as herbicidal agents
    Patent number: 5354944
    Abstract: 4-Carboxy-2-aryloxyphenoxyalkyl substituted heterocycle compounds which are effective for the selective control of grass weed species in the presence of crops are described. Also described are a method for the selective herbicidal use of the compounds and methods for their preparation.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: October 11, 1994
    Assignee: American Cyanamid Company
    Inventors: Robert L. Arotin, Michael Anthony
  • 4-carboxy-2-aryloxyphenoxyalkyl substituted heterocycles useful as herbicidal agents
    Patent number: 5213606
    Abstract: 4-Carboxy-2-aryloxyphenoxyalkyl substituted heterocycle compounds which are effective for the selective control of grass weed species in the presence of crops are described. Also described are a method for the selective herbicidal use of the compounds and methods for their preparation.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: May 25, 1993
    Assignee: American Cyanamid Company
    Inventors: Robert L. Arotin, Michael A. Guaciaro
  • Nitro- and cyanoguanidines as selective preemergence herbicides and plant defoliants
    Patent number: 5175365
    Abstract: There are provided novel nitroguanidine and cyanoguanidine compounds. A method of dessicating and defoliating plants by applying to the foliage thereof certain nitroguanidine or cyanoguanidine compounds and a method for the selective preemergence control of undesirable broadleaf weeds and grasses in the presence of graminaceous crops are disclosed.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: December 29, 1992
    Assignee: American Cyanamid Company
    Inventors: Robert L. Arotin, Bryant L. Walworth, Michele E. Marini
  • Nitro- and cyanoguanidines as selective preemergence herbicides and plant defoliants
    Patent number: 4639268
    Abstract: There are provided novel nitroguanidine and cyanoguanidine compounds. A method of dessicating and defoliating plants by applying to the foliage thereof certain nitroguanidine or cyanoguanidine compounds and a method for the selective preemergence control of undesirable broadleaf weeds and grasses in the presence of graminaceous crops are disclosed.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: January 27, 1987
    Assignee: American Cyanamid Company
    Inventors: Robert L. Arotin, Bryant L. Walworth, Michele E. Marini