Patents by Inventor Richard Viard

Richard Viard 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 production of monomeric .alpha.-cyanoacrylates
    Patent number: 4986884
    Abstract: A process for the production of monomeric .alpha.-cyanoacrylates by pryrolysis of poly-.alpha.-cyanoacrylates and subsequent distillation of the resulting monomeric .alpha.-cyanoacrylates.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: January 22, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Arlt, Helmut Waniczek, Richard Viard, Dieter Bruck