Patents by Inventor Gianfranco Biddau

Gianfranco Biddau 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 treating effluents originating from the preparation of hydrocarbon resins
    Patent number: 5227568
    Abstract: A process of hydrodechlorination of effluents originating from the preparation of hydrocarbon resins is described, the effluents consisting of about 90% of unconverted monomers and containing between 600 and 2500 ppm of organic chlorine. Said hydrodechlorination process comprises subjecting the said effluents to hydrogenation at a temperature of between 200.degree. and 300.degree. C. in the presence of a catalyst, preferably consisting of Ni-Mo supported on .gamma.-Al.sub.2 O.sub.3.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: July 13, 1993
    Assignee: Enimont Anic S.r.l.
    Inventors: Gianfranco Biddau, Oscar Cappellazzo, Sergio E. Lai, Giuseppe Messina