Patents by Inventor Bernard P. M. Raymond

Bernard P. M. Raymond 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).

  • Method for the production of furfural from vegetable matter
    Patent number: 4366322
    Abstract: Process and apparatus for producing furfural from plant materials. The hydrolysis of pentosanes contained in plant materials is effected in a first reactor (2) in the presence of a strong concentrated acid, at 20.degree.-70.degree. C., at atmospheric pressure, and dehydration of the pentoses into furfural is effected in a second reactor (5) by vapor action at atmospheric pressure and at a temperature lower or equal to 110.degree. C., in a strong acid concentrated medium. Application: production of furfural.
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: December 28, 1982
    Assignee: Bertin & Cie
    Inventor: Bernard P. M. Raymond