Patents by Inventor Roger E. C. Altouyan

Roger E. C. Altouyan 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).

  • Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran useful for the treatment of asthma and hay fever
    Patent number: 4239748
    Abstract: There is described a salt of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran with a pharmaceutically acceptable inorganic cation, the salt having a solubility of less than 3% w/w in water a 20.5.degree. C.There are also described processes for making the salts and pharmaceutical, e.g. anti-allergic, compositions containing them.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: December 16, 1980
    Assignee: Fisons Limited
    Inventors: Hugh Cairns, Kenneth Brown, Roger E. C. Altouyan