Patents by Inventor Hendricus H. M. van Hout

Hendricus H. M. van Hout 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).

  • Method for the continuous preparation of carbonate oligomers with loop reactor, static mixer and plug flow
    Patent number: 5210172
    Abstract: The invention relates to a method for the continuous preparation of carbonate oligomers by boundary face oligomerization of aromatic dihydroxy compounds with phosgene while adding base, in which the reaction is carried out in a loop-like reactor system in the absence of chain stopper and while using less than 200 ppm of catalyst related to the organic solvent using at least one static mixer and plug folw, optionally in combination with a stirred tank reactor.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: May 11, 1993
    Assignee: General Electric Company
    Inventors: Hendricus H. M. van Hout, Martin H. Oyevaar, Bert J. Held