Patents by Inventor Peggy A. Blackburn

Peggy A. Blackburn 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).

  • Surface modification of inorganic fillers by treatment with bicyclic amide acetals
    Patent number: 4657815
    Abstract: The process for modifying the surface of a filler or reinforcing material comprising contacting said surface with a bicyclic amide acetal at a temperature in the range of from about 60.degree. C. to about 350.degree. C. is described.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: April 14, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Anil B. Goel, Robert A. Grimm, Peggy A. Blackburn, Harvey J. Richards
  • Oxazoline/polyol/polyisocyanate polymers and process
    Patent number: 4640969
    Abstract: A process for preparing novel interpolymers by the interpolymerization of an oxazoline, a polyol and a polyisocyanate at a temperature in the range of from about 20.degree. C. and at a pressure in the range of from about atmospheric up to about 50 atmospheres is described.
    Type: Grant
    Filed: August 7, 1985
    Date of Patent: February 3, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Anil B. Goel, Timothy A. Tufts, Peggy A. Blackburn
  • Stable isocyanate/epoxide prepolymers and thermoset polyurethanes produced therefrom
    Patent number: 4614786
    Abstract: A process for preparing a polyurethane by reaction of A, a prepolymer prepared by the low temperature reaction of a polyisocyanate and a polyepoxide, with B, a polyol, is described.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: September 30, 1986
    Assignee: Ashland Oil Inc.
    Inventors: Anil B. Goel, Peggy A. Blackburn, Timothy A. Tufts
  • Reactive polymer solutions and polymerizates thereof
    Patent number: 4596853
    Abstract: Polymerizable solutions of mixtures containing a bicyclic amide acetal, a polymer which does not react with the bicyclic amide acetal and a monomer or polymer capable of undergoing condensation polymerization with the bicyclic amide acetal, a process for polymerization of such solutions and the novel polymers resulting from the polymerization are described.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: June 24, 1986
    Assignee: Ashland Oil, Inc.
    Inventors: Anil B. Goel, Peggy A. Blackburn
  • Bicyclic amide acetal/polyisocyanate/vinyl monomer derived polymers
    Patent number: 4594397
    Abstract: A process for preparing novel polymers having interpenetrating networks comprising polymerizing simultaneously a mixture of a bicyclic amide acetal, a polyisocyanate and a vinyl monomer component is described.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: June 10, 1986
    Assignee: Ashland Oil, Inc.
    Inventors: Anil B. Goel, Timothy A. Tufts, Peggy A. Blackburn