Patents by Inventor George Wardell

George Wardell 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: 4421762
    Abstract: There is described a method of treatment of allergy to ingested allergens, which comprises per os administration of a daily dosage of from 20 to 4,000 mg of 1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxypropane or a therapeutically acceptable salt thereof to a patient having such an allergy.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: December 20, 1983
    Assignee: Fisons Limited
    Inventor: George Wardell
  • Patent number: 4152448
    Abstract: There is described a method of treatment of conditions of the gastro intestinal tract, in which conditions allergy or immune reactions play a contributory part, which method comprises per os administration of a compound of the formula I ##STR1## and therapeutically acceptable salts, esters and amides thereof, wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group, (as active ingredient), to a patient having such a condition.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: May 1, 1979
    Assignee: Fisons Limited
    Inventor: George Wardell
  • Patent number: 4053628
    Abstract: There is described a composition comprising a substantially clear, sterile aqueous solution containing as active ingredient a therapeutically useful proportion of 1,3-bis(2-carboxy-chromon-5-yloxy)-propan-2-ol, or a pharmaceutically acceptable (e.g. the di-sodium) salt thereof, or of 5,5'-[[5,5'-(2-hydroxytrimethylene)dioxy]bis[4-oxo-4H-1-benzopyran-2-yl]]t etrazole, or a pharmaceutically acceptable (e.g. the di-sodium) salt thereof. The composition is indicated for the treatment of conditions of the eye and the nose.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: October 11, 1977
    Assignee: Fisons Limited
    Inventors: Neil Arthur Stevenson, George Wardell
  • Patent number: 3975536
    Abstract: There is described a composition comprising a substantially clear, sterile aqueous solution containing as active ingredient a therapeutically useful proportion of 1,3-bis(2-carboxy-chromon-5-yloxy)-propan-2-ol, or a pharmaceutically acceptable (e.g. the di-sodium) salt thereof, or 5,5'-[[5,5'-(2-hydroxytrimethylene)dioxy]bis[4-oxo-4H-1-benzopyran-2-yl]]t etrazole, or a pharmaceutically acceptable (e.g. the di-sodium) salt thereof. The composition is indicated for the treatment of conditions of the eye and the nose.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: August 17, 1976
    Assignee: Fisons Limited
    Inventors: Neil Arthur Stevenson, George Wardell