Patents by Inventor Ian S. Slack

Ian S. Slack 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).

  • Method of making recyclable tufted carpets
    Patent number: 5630896
    Abstract: A recyclable thermoplastic tufted fabric made of a partially meltable primary backing and tufts tufted into the primary backing. The tufts are bonded to the backing by partially melting the backing to bond the tufts and applying a secondary backing. Such a carpet can be recycled through processes known to recycle polyester.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 20, 1997
    Assignee: Hoechst Celanese Corporation
    Inventors: James A. Corbin, Robert D. Johnson, William G. Neely, Ian S. Slack, Barrie L. Davies
  • Carpet containing a hot melt polyester layer
    Patent number: 5538776
    Abstract: A thermoplastic tufted carpet made of a primary backing, tufts tufted into the primary backing, a secondary backing and a polyester hot melt adhesive disposed between the primary and secondary backing. Such a carpet can be recycled through processes known to recycle polyester including glycolysis or methanolysis.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: July 23, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: James A. Corbin, Ian S. Slack
  • Recyclable tufted fabric
    Patent number: 5532035
    Abstract: A recyclable thermoplastic tufted fabric made of a partially meltable primary backing and tufts tufted into the primary backing. The tufts are bonded to the backing by partially melting the backing to bond the tufts and applying a secondary backing. Such a carpet can be recycled through processes known to recycle polyester.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: July 2, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: James A. Corbin, Robert D. Johnson, William G. Neely, Ian S. Slack, Barrie L. Davies