Patents by Inventor David Gerald Speece, Jr.

David Gerald Speece, Jr. 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).

  • Reactive coalescents
    Patent number: 6740358
    Abstract: Compounds useful as reactive coalescents and methods of improving the stability of reactive coalescents are disclosed. A process for the preparation of low molecular weight polymers which are also useful as reactive coalescents is also disclosed.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: May 25, 2004
    Assignee: Rohm and Haas Company
    Inventors: David Gerald Speece, Jr., Michael Damian Bowe
  • Reactive coalescents
    Patent number: 6451380
    Abstract: Compounds useful as reactive coalescents and methods of improving the stability of reactive coalescents are disclosed. A process for the preparation of low molecular weight polymers which are also useful as reactive coalescents is also disclosed.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: September 17, 2002
    Inventors: David Gerald Speece, Jr., William David Weir, Eric Karl Eisenhart, Michael Damian Bowe, Martha Alice Harbaugh Wolfersberger