Patents by Inventor Brain Yang

Brain Yang 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).

  • POLYSILOXANE BLOCK COPOLYMERS
    Publication number: 20090087399
    Abstract: The invention relates to polysiloxane block copolymers of the formula A[LB(S)Q]m, where A is a polysiloxane block, L is a divalent organic linker, B is a polymer block composed of radically polymerizable monomers, S is a sulfur atom and Q is a monovalent organic radical and m is an integer from 1 to 50, to a method for their production, and to their use in cosmetics or personal care.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 2, 2009
    Inventors: Dirk KUPPERT, Burghard Gruning, Brain Yang, Sven Balk, Gerd Lohden