Patents by Inventor Lewin Wint

Lewin Wint 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).

  • Preparation of substituted piperidenes
    Patent number: 5663349
    Abstract: Novel processes are disclosed for the preparation and resolution of substituted piperidines of the formula ##STR1## wherein R.sup.1 and R.sup.2 are defined as below, and related compounds, as well as novel intermediates used in such processes.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: September 2, 1997
    Assignee: Pfizer Inc
    Inventors: Terry J. Rosen, Dennis M. Godek, Sally Gut, Lewin Wint
  • Preparation of substituted piperidines
    Patent number: 5364943
    Abstract: Substituted piperidines and related compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are herein defined are disclosed.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: November 15, 1994
    Assignee: Pfizer Inc.
    Inventors: Terry J. Rosen, Dennis M. Godek, Sally Gut, Lewin Wint