Patents Assigned to Coating Development Group, Inc.
  • Patent number: 6426118
    Abstract: The present invention is a process for pressure treating wood and includes wood which has been pressure treated by the process. The process comprises infusion into the wood of a solution in water of an anhydride or the analogous acid of an anhydride, followed by removal of moisture from the wood and the infusion of the wood with a molten waxy solid comprising hydrocarbon paraffins or saturated fatty acids. The molten waxy solid then solidifies, filling all voids in the wood.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: July 30, 2002
    Assignee: Coating Development Group, Inc.
    Inventor: Michael A. Barnisin, Jr.
  • Patent number: 6235346
    Abstract: The present invention is a process for pressure treating wood and includes wood which has been pressure treated by the process. The process comprises infusion into the wood of a solution in water of an anhydride or the analogous acid of an anhydride, followed by removal of moisture from the wood and the infusion of the wood with a molten waxy solid comprising hydrocarbon paraffins or saturated fatty acids. The molten waxy solid then solidifies, filling all voids in the wood.
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: May 22, 2001
    Assignee: Coating Development Group, Inc.
    Inventor: Michael A. Barnisin, Jr.