Patents by Inventor Ernest P. Hayman

Ernest P. Hayman 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: 4797153
    Abstract: A method of increasing plant biomass, individual plant constituents, and in most cases, increasing rate of plant growth, by the application of certain substituted phenoxytrialkylamines, substituted phenylthiotrialkyamines or dialkylmorpholium halides to plants at very early stages of development and in very low amounts.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: January 10, 1989
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Henry Yokoyama, Wan-Jean Hsu, Stephen M. Poling, Ernest P. Hayman
  • Patent number: 4322242
    Abstract: The accumulation of hydrocarbons in plants which produce the same is enhanced by applying to the plants certain (3,4,5-substituted-phenoxy)-trialkylamines.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: March 30, 1982
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Henry Yokoyama, Ernest P. Hayman, Wan-Jean Hsu, Stephen M. Poling
  • Patent number: 4204859
    Abstract: The accumulation of hydrocarbons in plants which produce the same is enhanced by applying to the plants certain (3,4,5-substituted-phenoxy)-trialkylamines.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: May 27, 1980
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Henry Yokoyama, Ernest P. Hayman, Wan-Jean Hsu, Stephen M. Poling