Patents Represented by Attorney Steven L. Lammert

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  • Pharmacologically active propanoic acid derivatives
    Patent number: 4000189
    Abstract: The invention provides styryl cyclopentenyl propanoic acids and derivatives thereof having spasmolytic activity coupled with low toxicity. Also provided is a method of preparing styryl cyclopentenyl propanoic acid compounds which involves cyclising 7-hydroxy-5,8-dioxo-10-phenyldec-9-enoic acid in the presence of a base.
    Type: Grant
    Filed: April 10, 1974
    Date of Patent: December 28, 1976
    Assignee: Lilly Industries, Ltd.
    Inventors: William Dawson, Michael John Foulis, Norman James Albert Gutteridge, Colin William Smith