Patents by Inventor Fausto Dore

Fausto Dore 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).

  • Patent number: 5120522
    Abstract: The present invention relates to a process for preparing basic aluminum compounds having the general formula (1)[Al.sub.2 (OH).sub.x Cl.sub.y (SO.sub.4).sub.z ].sub.n (1)where:n is at least equal to 1x=2-4.0y=2.0-3.40z=0-0.30andx+y+z=6by means of a reaction of alumina with hydrochloric acid, possibly mixed with sulfuric acid. The alumina is caused to react in alumina/acid(s) stoichiometric conditions to obtain the compounds of formula (1). The reaction is carried out by milling alumina in liquid phase under heavy stirring.
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: June 9, 1992
    Assignee: Caffaro S.p.A.
    Inventors: Fausto Dore, Giordano Donelli