Patents by Inventor Jacqueline Margaretha Veurink

Jacqueline Margaretha Veurink 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).

  • Block copolymers having improved combinations of properties
    Patent number: 5693718
    Abstract: Block copolymer compositions, comprising for a major part of linear triblock copolymers, comprising two terminal predominantly poly(monovinylaromatic) blocks having a real molecular weight in the range of from 5,000 to 25,000 and one predominantly poly(boutadiene) midblock, said triblock copolymer having a monovinylaromafic content in the range of from 10 to 55 wt %, an apparent total molecular weight in the range of from 15,000 to 300,000, and an amount of from 0 to 40 wt % of a diblock copolymer relative to the total block copolymer composition weight, containing a predominantly poly(monovinylaromatic) block and a predominantly poly(boutadiene) block similar to those of the triblock copolymer component; said block copolymer composition having a free poly(vinylaromatic) content of at most 7 wt %, and shaped articles derived from said block copolymer composition.
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: December 2, 1997
    Assignee: Shell Oil Company
    Inventors: Hendrik De Groot, Karel Hendrik Leffelaar, Jacqueline Margaretha Veurink, Jeroen Van Westrenen