Patents by Inventor Robert Tuba

Robert Tuba 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).

  • POLYPENTENAMER-SILICA COMPOSITE
    Publication number: 20200216604
    Abstract: A polypentenamer-silica composite can include a surface-modified silica compound and a polypentenamer chain grafted onto the surface-modified silica compound. The polypentenamer has physical properties similar to natural rubber. The polypentenamer-silica composite is recyclable. As such, the polypentenamer-silica composite can be used for manufacturing recyclable tires.
    Type: Application
    Filed: June 15, 2018
    Publication date: July 9, 2020
    Applicant: QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENT
    Inventors: HASSAN SAID BAZZI, MOHAMMED AL-HASHIMI, ROBERT TUBA
  • Functionalized linear and cyclic polyolefins
    Patent number: 10619003
    Abstract: This invention relates to methods and compositions for preparing linear and cyclic polyolefins. More particularly, the invention relates to methods and compositions for preparing functionalized linear and cyclic polyolefins via olefin metathesis reactions. Polymer products produced via the olefin metathesis reactions of the invention may be utilized for a wide range of materials applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: April 14, 2020
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Robert Tuba, Robert H. Grubbs
  • FUNCTIONALIZED LINEAR AND CYCLIC POLYOLEFINS
    Publication number: 20180127539
    Abstract: This invention relates to methods and compositions for preparing linear and cyclic polyolefins. More particularly, the invention relates to methods and compositions for preparing functionalized linear and cyclic polyolefins via olefin metathesis reactions. Polymer products produced via the olefin metathesis reactions of the invention may be utilized for a wide range of materials applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.
    Type: Application
    Filed: January 3, 2018
    Publication date: May 10, 2018
    Applicant: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Robert TUBA, Robert H. GRUBBS
  • Functionalized linear and cyclic polyolefins
    Patent number: 9890239
    Abstract: This invention relates to methods and compositions for preparing linear and cyclic polyolefins. More particularly, the invention relates to methods and compositions for preparing functionalized linear and cyclic polyolefins via olefin metathesis reactions. Polymer products produced via the olefin metathesis reactions of the invention may be utilized for a wide range of materials applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: February 13, 2018
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Robert Tuba, Robert H. Grubbs
  • FUNCTIONALIZED LINEAR AND CYCLIC POLYOLEFINS
    Publication number: 20160215089
    Abstract: This invention relates to methods and compositions for preparing linear and cyclic polyolefins. More particularly, the invention relates to methods and compositions for preparing functionalized linear and cyclic polyolefins via olefin metathesis reactions. Polymer products produced via the olefin metathesis reactions of the invention may be utilized for a wide range of materials applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.
    Type: Application
    Filed: September 4, 2014
    Publication date: July 28, 2016
    Applicant: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Robert TUBA, Robert H. GRUBBS
  • Single site catalyst component with metal containing chelate backbone
    Publication number: 20090203948
    Abstract: The present invention discloses a chelate ligand wherein the backbone contains a metal.
    Type: Application
    Filed: October 20, 2005
    Publication date: August 13, 2009
    Inventors: John Gladysz, Christine Hahn, Robert Tuba, Abbas Razavi