Patents by Inventor Suresh K. Rajarman

Suresh K. Rajarman 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).

  • HYDROLYSIS RESISTANT ORGANOMODIFIED TRISILOXANE IONIC SURFACTANTS
    Publication number: 20110021644
    Abstract: The present invention provides for a composition comprising a siloxane having the formula: M1DM2 wherein M1=(R1)(R2)(R3)SiO1/2; M2=(R4)(R5)(R6)SiO1/2 and D=(R7)(Z)SiO2/2 where R1, R2, R3 R4, R5, R6 and R7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R8-RA, R9 Rc and R10-RZ; RA being an anionic substituent, Rc a cationic substituent or Rz a zwitterionic substituent on the D group wherein the composition is resistant to hydrolysis under either basic or acidic conditions.
    Type: Application
    Filed: December 26, 2008
    Publication date: January 27, 2011
    Inventors: Mark D. Leatherman, George A. Policello, Wenging N. Peng, Liping Zheng, Roland Wagner, Suresh K. Rajarman, Xia Zijun