Patents by Inventor Ronald W. A. Leach

Ronald W. A. Leach 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).

  • Loosening agents for fruit of plants
    Patent number: 4338121
    Abstract: Certain propionamides are used for loosening fruit of plants.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: July 6, 1982
    Assignee: Shell Oil Company
    Inventors: Robert Baxter, Ronald W. A. Leach
  • Alanine derivatives as sugar cane ripeners
    Patent number: 4056385
    Abstract: Sugar cane is ripened by treatment of the growing plants with certain alanine derivatives.
    Type: Grant
    Filed: November 16, 1976
    Date of Patent: November 1, 1977
    Assignee: Shell Oil Company
    Inventor: Ronald W. A. Leach