Patents by Inventor Luigi Valcarenghi

Luigi Valcarenghi 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).

  • Antiinflammatory pharmaceutical composition endowed with sustained effect for topical use
    Patent number: 4894237
    Abstract: A pharmaceutical composition comprising as the active principle the piperazine salt of (S) 6-methoxy-.alpha.-methyl-2-naphthaleneacetic acid in highly micronized form, suited carriers in which the active principle is scarcely soluble, surfactants, preserving agents and an hydrophilic, pH-independent, matrix consisting of alkyl derivatives of cellulose and/or polyvinylalcohol. The sustained release of the antiinflammatory compositions allows the treatment of affections by means of a single daily administration of the same.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: January 16, 1990
    Assignee: Cooperativa Farmaceutica Soc. Coop. R.L.
    Inventors: Pietro Bellani, Luigi Valcarenghi