Patents by Inventor Malcolm A. Smook

Malcolm A. Smook 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).

  • Modified plastic elastomer block copolymers
    Patent number: 5272215
    Abstract: A thermoplastic elastomeric block copolymer comprising olefin elastomeric mid block units and terminal polystyrene units having substitution in an amount sufficient to raise the glass transition temperature of the polymer. The substitution comprises cycloaliphatic or aromatic acylation and the acylation substitution is accomplished by reaction of an acylhalide with the copolymer in the presence of a catalytic amount of triflic acid.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: December 21, 1993
    Assignee: The West Company, Incorporated
    Inventors: H. James Harwood, Allan S. Jones, Malcolm A. Smook
  • Molded pharmaceutical primary closure
    Patent number: 4975308
    Abstract: A molded pharmaceutical primary closure including a thermoplastic elastomer molded into the shape of a closure and having a compression set less than about forty percent, an oxygen transmission rate of less than 500 cc/m.sup.2 /day, a moisture vapor transmission rate of less than 2 gm/m.sup.2 /day, and a needle penetration force of less than 2000 grams.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: December 4, 1990
    Assignee: The West Company
    Inventors: Ghawamedin Bayan, Charles H. White, Richard H. Lusch, Malcolm A. Smook