Patents by Inventor Jennifer Nelms

Jennifer Nelms 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).

  • DNA encoding PHE a feedback inhibition resistant enzyme analogues
    Patent number: 5120837
    Abstract: Disclosed are DNA sequences bonding deletion, substitution and/or addition analogs of the E. coli enzyme, chorismate mutase/prephenate dehydratase (CMPD). Preferred expression products include [des-Gln.sup.307, des-Ala.sup.308, des-Gly.sup.309, des-Ala.sup.310 ]CMPD; [Leu.sup.306 ]CMPD; [des-Thr.sup.304, Lys.sup.305, des-Gln.sup.306 ]CMPD; and [Cys.sup.309 ]CMPD display enzymatic activity of the wild type enzyme but are more resistant to inhibition in the presence of phenylalanine.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: June 9, 1992
    Assignee: The NutraSweet Company
    Inventors: Ian G. Fotheringham, Jennifer Nelms