Patents by Inventor M. Henri-Jean Caupin

M. Henri-Jean Caupin 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 and device for the anti-odor treatment of air
    Patent number: 6071472
    Abstract: The photocatalytic action of titanium dioxide and the anti-odor activity of undecylenic acid or its compounds are combined in an atmospheric scrubbing or renewal system. The invention consists in placing a filter impregnated with these two substances and exposed to a natural or artificial source of ultraviolet radiation in the path of the air.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: June 6, 2000
    Assignee: Elf Atochem S.A.
    Inventors: M. Henri-Jean Caupin, M. Joseph Dussaud