Patents by Inventor Rogelio Chavez

Rogelio Chavez 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).

  • POLYMER MIXTURES OF POLYSTYRENE HAVING STYRENE BUTADIENE BLOCK COPOLYMERS
    Publication number: 20120208909
    Abstract: The invention relates to a mixture comprising: a) 1 to 40% by weight of a styrene-butadiene-styrene block copolymer having 1.) 60 to 95% by weight of styrene monomer and 2.) 5 to 50% by weight of diene monomer; b) 60 to 99% by weight of styrene polymer; c) 0 to 50% by weight of a filler; and d) 0.1 to 20% by weight of a foaming additive, the sum of the components a) to d) being 100% by weight.
    Type: Application
    Filed: October 5, 2010
    Publication date: August 16, 2012
    Applicant: BASF SE
    Inventors: Norbert Niessner, Rogelio Chavez