Patents by Inventor Laurine M. Speltz

Laurine M. Speltz 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).

  • Substituted nitro and cyanoguanidines and their use for increasing crop yields
    Patent number: 4944788
    Abstract: Novel substituted phenyl and benzyl nitroguanidine and phenyl and benzyl cyanoguanidine compounds. Method for increasing crop yield, inhibiting logding of graminaceous crops, and inducing cytokinin-like responses in crop plants with said novel guanidine compounds and derivatives thereof, as well as methods for inhibiting deterioration and/or extending the shelf life of harvested fruit, vegetables, and ornamentals are disclosed.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: July 31, 1990
    Assignee: American Cyanamid Company
    Inventors: Laurine M. Speltz, Bryant L. Walworth, Alexander D. Pavlista
  • Substituted nitro and cyanoguanidines
    Patent number: 4804780
    Abstract: Novel substituted phenyl and benzyl nitroguanidine and phenyl and benzyl cyanoguanidine compounds. Methods for increasing crop yield, inhibiting lodging of graminaceous crops, and inducing cytokinin-like responses in crop plants with said novel guanidine compounds and derivatives thereof, as well as methods for inhibiting deterioration and/or extending the shelf life of harvested fruit, vegetables, and ornamentals are disclosed.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: February 14, 1989
    Assignee: American Cyanamid Company
    Inventors: Laurine M. Speltz, Bryant L. Walworth, Alexander D. Pavlista
  • Herbicidal pyridazines and method for controlling undesirable plant species
    Patent number: 4623376
    Abstract: This invention relates to a method for controlling undesirable monocotyledonous and dicotyledonous plant species by applying to the foliage thereof or to soil containing seeds or other propagating organs of said plant species, a herbicidally-effective amount of a pyridazine compound. The invention also relates to novel herbicidally-effective pyridazine compounds.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: November 18, 1986
    Assignee: American Cyanamid Company
    Inventors: Laurine M. Speltz, Bryant L. Walworth
  • Substituted nitro and cyanoguanidines and their use of increasing crop yields
    Patent number: 4594092
    Abstract: Novel substituted phenyl and benzyl nitroguanidine and phenyl and benzyl cyanoguanidine compounds. Methods for increasing crop yield, inhibiting lodging of graminaceous crops, and inducing cytokinin-like responses in crop plants with said novel guanidine compounds and derivatives thereof, as well as methods for inhibiting deterioration and/or extending the shelf life of harvested fruit, vegetables, and ornamentals are disclosed.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: June 10, 1986
    Assignee: American Cyanamid Company
    Inventors: Laurine M. Speltz, Bryant L. Walworth, Alexander D. Pavlista