Patents by Inventor Geoffrey M. H. Waites

Geoffrey M. H. Waites 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: 4442123
    Abstract: 6-Chloro-6-deoxy-D-hexitols, a novel class of compounds, and their esters, possess male antifertility activity and are thus useful in antifertility compositions. They are prepared by reduction of 6-chloro-6-deoxy-D-hexoses.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: April 10, 1984
    Assignee: Tate & Lyle Public Limited Company
    Inventors: Elner B. Rathbone, Geoffrey M. H. Waites, William C. L. Ford
  • Patent number: 4225590
    Abstract: A male fertility-inhibiting composition in unit dosage form, contains as an active ingredient a 6-chlorodeoxy-saccharide containing a pyranose or furanose ring of the formula ##STR1## where A represents the remainder of the pyranose or furanose ring, and has the formula C.sub.4 H.sub.7 O.sub.4 X (where X represents a hydrogen atom or another pyranose or furanose ring) in association with a physiologically acceptable carrier or excipient. The saccharide preferably contains a pyranose ring or furanose ring of the formula ##STR2## Also a method of controlling fertility in men or male animals comprises administering thereto a 6-chlorodeoxy-saccharide as defined above.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: September 30, 1980
    Assignee: Tate & Lyle Limited
    Inventors: Geoffrey M. H. Waites, William C. L. Ford, Riaz A. Khan, Haydn F. Jones