Patents by Inventor Luigi Turchini

Luigi Turchini 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).

  • Surfactants derived from di- or tri-carboxylic hydroxy-acids
    Patent number: 4797481
    Abstract: Surfactants consisting of esters of di- or tri-carboxylic hydroxyacids having the formula: ##STR1## wherein: X=H, --CH.sub.2 COOR;Y=H, OH, with the proviso that Y=H when X=--CH.sub.2 COOR;R, R.sub.1, R.sub.2, which may be the same or different, are H an alkali or alkaline-earth metal, --NH.sub.4, a cation of an ammonium organic base, or an A radical selected from the group consisting of etherified (C.sub.6 -C.sub.16) alkyl polysaccharides containing from 2 to 6 saccharide units and etherified (C.sub.6 -C.sub.16) hydroxyalkyl aliphatic polyalcohols containing from 2 to 16 hydroxyl groups;and wherein at least one of said R, R.sub.1, R.sub.2 is an A radical.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: January 10, 1989
    Assignee: Raffineria Olii Lubrificanti "R.O.L." S.p.A.
    Inventors: Salvatore Garlisi, Luigi Turchini, Aurelio Albanini, Dario Fornara