Patents by Inventor Paul Beyeler

Paul Beyeler 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 explosives containing degradation products of ascorbic or isoascorbic acid
    Patent number: 4964929
    Abstract: A degradation product of ascorbic acid or isoascorbic acid obtained by heating the acid at a temperature between about 70.degree. C. and about 210.degree. C. until partial or complete decomposition of the acid occurs, useful in admixture with various nitrate-containing oxidation agents as an explosive and propellant material for a wide range of specific applications.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: October 23, 1990
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Paul Beyeler, Claude Furbringer