Patents by Inventor Alberto Forlini

Alberto Forlini 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).

  • Block copolymers, their preparation and their use as lubricants
    Patent number: 6133211
    Abstract: Block copolyethers having general formula (I):RX--(CH.sub.2 --CHR.sub.1 --O--).sub.x --(--CH.sub.2 CHR.sub.2 --O--).sub.y --(--CH.sub.2 --CHR.sub.3 --O--).sub.z --R.sub.4wherein:R is selected from H, alkyl, alkylaryl;X is selected from O, S and N;R.sub.1, R.sub.2 and R.sub.3 are selected from H, CH.sub.3, and C.sub.2 -C.sub.10 alkyl radicals;R.sub.4 is selected from H, alkyl, acyl;x,y,z represent the number of ether units and are integers which have such values that the molecular weight of the compound having general formula (I) is between 600 and 4000, and in addition (x+z)/y is between 1.5 and 5.0; with the proviso that:a) either R.sub.1 and R.sub.3 are selected from H and CH.sub.3, in which case R.sub.2 is selected from C.sub.2 to C.sub.10 alkyl radicals,b) or R.sub.1 and R.sub.3 are selected from C.sub.2 -C.sub.10 alkyl radicals, in which case R.sub.2 is selected from H and CH.sub.3.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: October 17, 2000
    Assignee: Agip Petroli S.p.A.
    Inventors: Sandra Cobianco, Alessandro Lezzi, Alberto Forlini, Emilio Gatti