Patents by Inventor Aurelia Finkels

Aurelia Finkels 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).

  • Production of crystalline tribromostyrene
    Patent number: 4748286
    Abstract: The invention relates to an improved process for the production of crystalline tribromostyrene. The process involves removal of hydrogen bromide in a two phase system with the aid of phase transfer catalysts. One of the phases used is an aqueous one containing an alkali metal hydroxide whereas the second comprises .beta.-bromoethyltribromobenzene in an alcohol as solvent.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: May 31, 1988
    Assignee: Yeda Research & Development Co. Ltd.
    Inventors: Stephen L. J. Daren, David Vofsi, Aurelia Finkels