Patents by Inventor Neville Lewis Holder

Neville Lewis Holder 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).

  • "N-T-butyl-androst-3-5-diene-17 .beta.-carboxamide-3-carboxylic" acid polymorph A
    Patent number: 5859266
    Abstract: Polymorph "A" a novel polymorphic form of N-t-butyl-androst-3,5-diene-17.beta.-carboxamide-3-carboxylic acid. Novel processes for preparing polymorph "A" are also disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 12, 1999
    Assignee: SmithKline Beecham Corporation
    Inventors: Neil Howard Baine, Neville Lewis Holder, Donald Nathaniel Klein, Robert Lee Webb, Gary Edward Zuber