Patents by Inventor Ann F. Welton

Ann F. Welton 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: 5112856
    Abstract: Inflammatory bowel disease and other leukotriene-mediated inflammation of the intestinal mucosa are treated therapeutically by the oral, rectal or parenteral administration of racemic-6-acetyl-7-[5-(4-acetyl-3-hydroxy-2-propylphenoxy)pentyloxy]-3,4-d ihydro-2H-1-benzopyran-2-carboxylic acid, or a salt, lower alkyl ester or enantiomer thereof.
    Type: Grant
    Filed: August 16, 1990
    Date of Patent: May 12, 1992
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Timothy S. Gaginella, Ann F. Welton, Peter C. Will
  • Patent number: 4885309
    Abstract: The compound 6-acetyl-7-[5-(4-acetyl-3-hydroxy-2-propylphenoxy)pentyloxy]-3,4-dihydro-2 4-1-benzopyran-2-carboxylic acid, as well as its enantiomers, salts and lower alkyl esters, are useful in topically administrable dosage forms for the treatment of leukotriene-mediated dermal inflammations, such as psoriasis. These compounds can be formulated into creams, ointments, lotions, gels and other types of compositions suitable for applying on the skin.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: December 5, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Ann F. Welton