Patents by Inventor Knicholaus Dudley La Lumiere

Knicholaus Dudley La Lumiere 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).

  • Low-temperature synthesis of methylphenidate hydrochloride
    Patent number: 9475770
    Abstract: The present invention describes a process for the preparation of methylphenidate hydrochloride. The process involves the esterification of ritalinic acid and methanol in the presence of an acid catalyst at a low temperature. The process may optionally involve the addition of an orthoester.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: October 25, 2016
    Assignee: Rhodes Technologies
    Inventors: C. Frederick M. Huntley, Erik Wayne Kataisto, Knicholaus Dudley La Lumiere, Helge Alfred Reisch
  • Low-Temperature Synthesis of Methylphenidate Hydrochloride
    Publication number: 20150038720
    Abstract: The present invention describes a process for the preparation of methylphenidate hydrochloride. The process involves the esterification of ritalinic acid and methanol in the presence of an acid catalyst at a low temperature. The process may optionally involve the addition of an orthoester.
    Type: Application
    Filed: December 16, 2011
    Publication date: February 5, 2015
    Applicant: Rhodes Technologies
    Inventors: C. Frederick M. Huntley, Erik Wayne Kataisto, Knicholaus Dudley La Lumiere, Helge Alfred Reisch