Patents by Inventor Edgar Fairhurst

Edgar Fairhurst 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: 5194250
    Abstract: A skin- or hair-care composition containing silica additionally comprises a C.sub.2-4 alkyl ester of a di, tri- or tetrabasic carboxylic acid or hydroxy-carboxylic acid (optionally acetylated). The alkyl ester may be dissolved in an aqueous solvent system.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: March 16, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Edgar Fairhurst, Helen Sayers, Steven Poile