Patents by Inventor Donald W. Gates

Donald W. Gates 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).

  • Turfgrass management compositions
    Patent number: 5591693
    Abstract: The present invention relates to chemical compositions comprising imidazolinone compounds that are suitable for use in turfgrass management. The invention also provides methods for altering the growth and reducing mowing frequency, suppressing seed head formation and controlling undesirable vegetation in turfgrass.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: January 7, 1997
    Assignee: American Cyanamid Company
    Inventors: Prithvi R. Bhalla, Robert M. Herrick, Donald W. Gates
  • Turfgrass management compositions
    Patent number: 5340791
    Abstract: The present invention relates to chemical compositions comprising imidazolinone compounds that are suitable for use in turfgrass management. The invention also provides methods for altering the growth and reducing mowing frequency, suppressing seed head formation and controlling undesirable vegetation in turfgrass.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: August 23, 1994
    Assignee: American Cyanamid Company
    Inventors: Prithvi R. Bhalla, Robert M. Herrick, Donald W. Gates
  • Turfgrass management composition using a 2-imidazole-2-yl nicotinic acid derivative composition
    Patent number: 5116403
    Abstract: The present invention relates to chemical compositions comprising imidazolinone compounds that are suitable for use in turfgrass management. The invention also provides methods for altering the growth and reducing moving frequency, suppressing seed head formation and controlling undesirable vegetation in turfgrass.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: May 26, 1992
    Assignee: American Cyanamid Company
    Inventors: Prithvi R. Bhalla, Robert M. Herrick, Donald W. Gates
  • Methods and compositions for protecting crop plants from undesirable effects of insecticidal compounds
    Patent number: 5102447
    Abstract: The present invention relates to methods for protecting crop plants from undesirable effects of pesticides and herbicides. The roots, seeds or soil surrounding the crop plants are treated with an effective amount of phthalimide compound in conjunction with the use of an effective amount of the insecticidal compound or herbicidal compound. Compositions for so protecting crop plants also are provided.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: April 7, 1992
    Assignee: American Cyanamid Company
    Inventor: Donald W. Gates
  • Herbicidal composition
    Patent number: 3958977
    Abstract: A herbicidal mixture of 5-acetamido-2,4-dimethyltrifluoromethanesulfonanilide or a horticulturally acceptable salt thereof and 3-[p-(p-chlorophenoxy)phenyl]-1,1-dimethylurea is effective at low rates of application, particularly against certain weed species such as cocklebur, pigweed, morning-glory and the like.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: May 25, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David J. Prochaska, Eldon S. Ratcliffe, Donald W. Gates
  • Herbicidal composition
    Patent number: 3954437
    Abstract: A herbicidal mixture of 5-acetamido-2,4-dimethyltrifluoromethanesulfonanilide or a horticulturally acceptable salt thereof and 3-isopropyl-1H-2,1,3-benzothiadiazin-(4)3H-one 2,2-dioxide or a horticulturally acceptable salt thereof is effective at low rates of application, particularly against certain weed species such as hemp sesbania (coffeeweed).
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: May 4, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Donald W. Gates, Eldon S. Ratcliffe, David J. Prochaska