Patents by Inventor David Gerald Speece

David Gerald Speece 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).

  • Publication number: 20080269402
    Abstract: An aqueous copolymer dispersion, wherein said copolymer is obtained from a mixture of monomers comprising, in percentage by weight based on the dry weight of copolymer: a) 89 to 99.93% at least one ethylenically unsaturated nonionic monomer, b) 0.05 to 5% at least one ethylenically unsaturated phosphorus containing monomer without phosphonate functional group, or salts thereof, c) 0.01 to 3% at least one ethylenically unsaturated monomer carrying at least one alkoxysilane functionality, and d) 0.01 to 3% at least one ethylenically unsaturated monomer carrying at least one functionality selected from sulfur based acids, or the salts thereof.
    Type: Application
    Filed: April 10, 2008
    Publication date: October 30, 2008
    Inventors: Alvin Michael Maurice, David Gerald Speece, Jiakuan Sun, Huiling Yang
  • Publication number: 20020197407
    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: Application
    Filed: June 28, 2002
    Publication date: December 26, 2002
    Inventors: David Gerald Speece, Michael Damian Bowe