Patents by Inventor Robert D. Brasington

Robert D. Brasington 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).

  • Process for manufacturing foam with improved wet set properties
    Patent number: 5718856
    Abstract: High resilience polyurethane foams having improved wet set properties are obtained by reacting an isocyanate with a polyol component consisting of a polyoxyalkylene polyol with a functionality of 6 or more and a polymer polyol whose base polyol is a polyoxyalkylene polyol with a functionality of 6 or more, both polyols having oxyethylene caps in amounts of from 12 percent to about 30 percent based on the weights of the respective polyols, in the presence of an amine catalyst system. The resulting polyurethane foams are eminently suitable for seating cushions used in tropical or subtropical environments, may be prepared by a cold molding process, and may be used without an elevated temperature post cure.
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: February 17, 1998
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Mark R. Kinkelaar, Keith Douglas Cavender, James L. Lambach, Robert D. Brasington, Frank E. Critchfield
  • Process for manufacturing foam with improved wet set properties
    Patent number: 5549841
    Abstract: High resilience polyurethane foams having improved wet set properties are obtained by reacting an isocyanate with a polyol component consisting of a polyoxyalkylene polyol with a functionality of 6 or more and a polymer polyol whose base polyol is a polyoxyalkylene polyol with a functionality of 6 or more, both polyols having oxyethylene caps in amounts of from 12 percent to about 30 percent based on the weights of the respective polyols, in the presence of an amine catalyst system. The resulting polyurethane foams are eminently suitable for seating cushions used in tropical or subtropical environments, may be prepared by a cold molding process, and may be used without an elevated temperature post cure.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: August 27, 1996
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Mark R. Kinkelaar, Keith D. Cavender, James L. Lambach, Robert D. Brasington, Frank E. Critchfield
  • Process for preparing polyurethane foams in the presence of a polyether acid
    Patent number: 4785027
    Abstract: A flexible polyurethane foam formulation which is non-reactive at or near ambient temperatures is provided. The formulation comprises a polyisocyanate, a polyfunctional active hydrogen containing compound, an amine catalyst, a blowing agent and a polyether acid. The formulation which becomes reactive above 40.degree. C. has the advantage, over similar systems based on formic acid, that the polyurethane foam is not tight and does not suffer from skin peeling.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: November 15, 1988
    Assignee: BP Chemicals Limited
    Inventors: Robert D. Brasington, Werner A. Lidy
  • Process for preparing polyurethane foams in the presence of a polyether acid
    Patent number: 4764541
    Abstract: A flexible polyurethane foam formulation which is non-reactive at or near ambient temperature is provided. The formulation comprises a polyisocyanate, a polyfunctional active hydrogen containing compound, an amine catalyst, a blowing agent and a polyether acid. The formulation which becomes reactive above 40.degree. C. has the advantage, over similar systems based on formic acid, that the polyurethane foam is not tight and does not suffer from skin peeling.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: August 16, 1988
    Assignee: BP Chemicals Limited
    Inventors: Robert D. Brasington, Werner A. Lidy