Patents by Inventor Theodore C. Wilkinson

Theodore C. Wilkinson 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).

  • Thermoset resinous molding compositions
    Patent number: 4855368
    Abstract: Thermoset resinous molding compositions are provided by essentially instantaneously combining and reacting three basic resin forming components. The latter include an oligomeric ester or polyester containing polymerizable unsaturation and free hydroxyl group(s); a polyisocyanate; and an aromatic polyamine. The indicated thermosetting resin systems are especially adapted for use in a reaction injection molding (RIM) operation.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: August 8, 1989
    Assignee: Ashland Oil, Inc.
    Inventors: Timothy A. Tufts, Dan Borgnaes, Billy M. Culbertson, Theodore C. Wilkinson
  • Halogenated alkyl phosphate esters and polymer systems incorporating them
    Patent number: 4696963
    Abstract: Flame retardant non-mutagenic halogenated alkyl phosphate ester mixture of the formula: ##STR1## and flame retardant polymer systems incorporating such mixtures.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: September 29, 1987
    Assignee: Great Lakes Chemical Corporation
    Inventors: James A. Albright, Theodore C. Wilkinson
  • Novel phosphate esters and non-scorching flame retardant polyurethane compositions containing them
    Patent number: 4083825
    Abstract: Novel triesters of pentavalent phosphorus acid having the formula: ##STR1## WHEREIN X is chlorine, bromine, or hydrogen, Z.sup.1 and Z.sup.2 are independently selected from bromine, chlorine, or hydrogen; R.sup.1 is methyl, chloromethyl, bromomethyl or hydrogen; and R.sup.2 is methyl, chloromethyl or hydrogen, except that R.sup.2 is chloromethyl when R.sup.1 is bromomethyl, and non-scorching plastic composition containing polyurethanes and said triesters of pentavalent phosphorus acid.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: April 11, 1978
    Assignee: Velsicol Chemical Corporation
    Inventors: James A. Albright, Theodore C. Wilkinson
  • Low viscosity flame retardant
    Patent number: 3997449
    Abstract: Disclosed is a low viscosity flame retardant comprising a mixture of 2,3-dibromopropanol and tris(2,3-dibromopropyl)phosphates. The low viscosity flame retardants of this invention have special utility in both rigid and flexible polyurethane polymers.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: December 14, 1976
    Assignee: Michigan Chemical Corporation
    Inventor: Theodore C. Wilkinson