Patents Assigned to Sempernova PLC
  • Film forming composition for topical use
    Patent number: 4990501
    Abstract: A composition for application to human and animal tissue surfaces, said composition comprising an aqueous medium and a film-forming component at least partially soluble or dispersible in said aqueous medium, said film-forming component comprising an ester or mixture of esters, at least one being an ester of a polyol.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: February 5, 1991
    Assignee: Sempernova PLC
    Inventors: Frazer K. E. Imrie, Ken James