Patents by Inventor Natalie C. Chamberlain

Natalie C. Chamberlain 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).

  • Lithium and amine dissolving metal reduction
    Patent number: 5675038
    Abstract: The invention is directed to a process for reducing or reductively cleaving an organic compound susceptible to dissolving metal reduction comprising exposing the organic compound to a solution of lithium in a polyamine including at least two amino groups, selected from the group consisting of primary and secondary amino groups and mixtures thereof, e.g. ethylenediamine and R--NH.sub.2, optionally containing a lower alkyl alcohol, wherein R is chosen from the group consisting of ethyl, propyl, and butyl, including all straight and branched chain isomers thereof, for a time sufficient to effect reduction.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: October 7, 1997
    Assignee: Allergan
    Inventors: Lloyd J. Dolby, Nestor A. Fedoruk, Shervin Esfandiari, Natalie C. Chamberlain, Michael E. Garst