Patents by Inventor Renee A. Klein

Renee A. Klein 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).

  • Methylalkoxy-methylalkyl cyclosiloxane copolymer
    Patent number: 5086146
    Abstract: A methylalkoxy-methylalkyl cyclosiloxane copolymer having the formula(OSiROR).sub.d (OSiRR').sub.ewhere R is an alkyl radical having one to three carbon atoms; R' is the alkyl radical (CH.sub.2).sub.c R; c is an integer having a value of from 1 to 17; d is an integer having a value of from 3 to 10; and e is an integer having a value of from one to seven.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: February 4, 1992
    Assignee: Dow Corning Corporation
    Inventors: Donald T. Liles, Renee A. Klein
  • Siloxane masonry water repellent emulsions
    Patent number: 5074912
    Abstract: A water repellent composition for treating porous substrates with an emulsion containing a siloxane. The siloxane can be a copolymer such as a linear methylhydrogen-methylalkyl siloxane copolymer or a methylhydrogen-methylalkyl cyclosiloxane copolymer. The emulsion includes from about twenty to about sixty percent by weight of the siloxane copolymer. A low volatile organic content masonry coating is provided.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: December 24, 1991
    Assignee: Dow Corning Corporation
    Inventors: Donald T. Liles, Renee A. Klein