Patents by Inventor Stephen J. Hawkins

Stephen J. Hawkins 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).

  • Polyolefin pressure sensitive adhesive tape with an improved priming layer
    Publication number: 20030152767
    Abstract: The present invention is directed to a primer composition. The primer composition comprises a maleated thermoplastic elastomer, a non-halogenated polyolefin, and a resin. In some embodiments, the primer comprises a crosslinking agent, for example 2,4-bis(trichloromethyl)-6-4′-methoxyphenyl-sym-triazine. In other embodiments, the primer comprises an epoxy.
    Type: Application
    Filed: October 22, 2001
    Publication date: August 14, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Stephen J. Hawkins, Alphonsus V. Pocius, James R. Peterson, Zhiming Zhou
  • Method and apparatus for molding an article having a textile covering layer
    Publication number: 20030151168
    Abstract: A method and apparatus for molding a textile covered part in a plastic molding machine. A textile segment such as a piece of carpet is sprayed with a water mist prior to being loaded into the plastic molding machine. In a blow molding operation, a blow molding parison is loaded into the mold and expanded with compressed air to form the textile covered part. The machine includes a blow molding machine and a spray applicator that sprays water onto the textile segment prior to being loaded into the blow molding machine.
    Type: Application
    Filed: April 15, 2002
    Publication date: August 14, 2003
    Applicant: Lear Corporation
    Inventors: Terrence G. Gohl, Stephen J. Hawkins, Timothy C. Heslet, John T. Kuykendall
  • Poly(.alpha.-olefin) pressure sensitive adhesvie tape with a priming layer
    Patent number: 5846653
    Abstract: In a PSA tape construction, a primer layer comprising a neutralized rosin that includes acid functionalities and, optionally, an elastomer such as a styrene-butadiene rubber, is included between a tape backing and a poly(.alpha.-olefin) adhesive layer. Bonding of the adhesive layer to the backing is greatly improved, especially during and after high temperature baking of the tape construction.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: December 8, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Stephen J. Hawkins