Patents by Inventor Rawle I. Hollingworth

Rawle I. Hollingworth 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).

  • Process for the preparation of hydroxy substituted gamma butyrolactones
    Patent number: RE38324
    Abstract: Preparation of 4-hydroxy substituted butyrolactones is described. A process for the preparation of 3-hydroxybutyrolactone, 1.2.4-trihydroxybutane and 3,4-dihydroxy acid methyl ester from malic acid is particularly described. The preparation of 4-hydroxymethyl-4-hydroxybutyric acid -1-methyl ester and 4-hydroxymethyl butyrolactone is particularly described. The compounds are intermediates to various pharmaceutical and agricultural products.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: November 18, 2003
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingworth