Patents by Inventor Dora Nellie Richardson

Dora Nellie Richardson 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).

  • 15-, 16- AND 17-Indolyl or indolinyl nor prostanoic acid derivatives
    Patent number: 4000305
    Abstract: This invention relates to novel 15-, 16- and 17-heterocyclyl nor-prostanoic acid derivatives, for example 9.alpha.,11.alpha.,15-trihydroxy-16-(indol-5-yloxy)-17,18,19,20-tetranor-5 -cis, 13-trans-prostadienoic acid, which have a unique profile of Prostaglandin-like properties, and to processes for their manufacture, and also to pharmaceutical or veterinary compositions containing one of said novel derivatives, and a method of inducing luteolysis in an animal host by administering one of said novel derivatives.
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: December 28, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Jean Bowler, Keith Blakeney Mallion, Dora Nellie Richardson
  • Prostanoic acid derivatives
    Patent number: 3931206
    Abstract: Prostanoic acid derivatives having luteolytic activity are provided. A representative compound is 16-(6-chloropyrid-2-yloxy)-9.alpha., 11.alpha., 15-trihydroxy-17, 18, 19, 20-tetranor-5-cis, 13-trans-prostadienoic acid.
    Type: Grant
    Filed: September 14, 1973
    Date of Patent: January 6, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Jean Bowler, Keith Blakeney Mallion, Dora Nellie Richardson