Patents by Inventor Robert L. Cuthbert

Robert L. Cuthbert 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).

  • Aqueous silane water repellent compositions
    Patent number: 5073195
    Abstract: A water repellent composition for treating surfaces which is an aqueous solution of a water soluble silane coupling agent and an alkyltrialkoxysilane. The alkyltrialkoxysilane is either an alkyltrialkoxysilanes with C.sub.1 to C.sub.6 alkyl groups on silicon or a blend of alkyltrialkoxysilanes each with C.sub.1 to C.sub.6 alkyl groups on silicon. A treatmetn method for wood and masonry is disclosed.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: December 17, 1991
    Assignee: Dow Corning Corporation
    Inventors: Robert L. Cuthbert, Edwin P. Plueddemann
  • Masonry water repellent composition
    Patent number: 5051129
    Abstract: A masonry water repellent composition for treating surfaces which is an aqueous solution of a water soluble silane coupling agent and an alkyltrialkoxysilane. The alkyltrialkoxysilane is either an alkyltrialkoxysilanes with C.sub.1 to C.sub.6 alkyl groups on silicon or a blend of alkyltrialkoxysilanes each with C.sub.1 to C.sub.6 alkyl groups on silicon. A treatment method is also disclosed.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: September 24, 1991
    Assignee: Dow Corning Corporation
    Inventors: Robert L. Cuthbert, Edwin P. Plueddemann