Patents by Inventor Susan W. Jahoda

Susan W. Jahoda 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).

  • Process for the preparation of omega-arylalkanoic acids
    Patent number: 5149866
    Abstract: The present inventon pertains to a process for the preparation of omega-arylalkanoic acids of the genral formulaR--Ar--R.sup.1 --COOHwherein R is hydrogen, hydroxy, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, or aryl; wherein R.sup.1 is C.sub.1 -C.sub.4 alkyl; and wherein Ar is an aryl group which can be further substituted with at least one of hydroxy, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, aryl, halide, amino, or acetamido. The omega arylalkanoic acids of the given formula are prepared using catalysts which provide an improvement over the known Willgerodt-Kindler reaction.The present invention also pertains to methods for removing sulfur during the above-described process for the preparation of the omega-arylalkanoic acids.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: September 22, 1992
    Assignee: Hoechst Celanese Corporation
    Inventors: Huh-Sun Chiou, Mark R. Rubino, Susan W. Jahoda, Daniel Lindley, John R. Battler