Patents by Inventor Richard W. Cormack

Richard W. Cormack 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).

  • Transparent closure cap liner having oxygen barrier properties
    Publication number: 20040191445
    Abstract: Plastic compositions for liners in closures are disclosed. The compositions are blends of a synthetic butyl rubber component, a polyolefinic component and two or more lubricant type additives. The liners made from the composition are substantially transparent.
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Inventors: Thomas R. Baranowski, Richard W. Cormack
  • Closure cap liners having oxygen barrier properties
    Publication number: 20040161560
    Abstract: Liners with improved oxygen barrier properties for use with closure caps are disclosed. The liners are made of a composition that includes a thermoplastic elastomer, polyisobutylene and polybutylene. The liner is adhered to the inner facing surface of a closure cap.
    Type: Application
    Filed: December 30, 2003
    Publication date: August 19, 2004
    Inventors: Thomas R. Baranowski, Richard W. Cormack, James Taber
  • Closure cap liners having oxygen barrier properties
    Patent number: 6677397
    Abstract: Liners with improved oxygen barrier properties for use with closure caps are disclosed. The liners are made of a composition that includes a thermoplastic elastomer, polyisobutylene and polybutylene. The liner is adhered to the inner facing surface of a closure cap.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: January 13, 2004
    Assignee: White Cap, Inc.
    Inventors: Thomas R. Baranowski, Richard W. Cormack, James Taber