Patents by Inventor Stefano Millefanti

Stefano Millefanti 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 preparing fluorohalogenethers
    Publication number: 20050171388
    Abstract: A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A?, equal to or different from each other, are selected among Cl, Br and H; m=1, 2; n=0, 1; R? is a C1-C3 (per)fluoroalkyl substituent; R is a (per)fluoropolyether substituent; z and z? are 1 or zero, X1=F, CF3; by reaction of carbonyl compounds having formula: (R?)n—C(O)(F)q(CF2ORI) ??(II) wherein: R? and n are as above; q=0, 1; RI is a (per)fluoro-polyether substituent; in liquid phase, with elemental fluorine and with olefinic compounds of formula: CAF=CA?F2 ??(III) wherein A and A? are as above, at temperatures from ?120° C. to ?20° C., preferably from ?100° C. to ?40° C.
    Type: Application
    Filed: January 28, 2005
    Publication date: August 4, 2005
    Inventors: Vito Tortelli, Stefano Millefanti, Pierangelo Calini
  • Process for preparing (per) fluorohalogenethers
    Publication number: 20040199009
    Abstract: A process for preparing (per)fluorohalogenethers containing the —SO2F group, having general formula (I):
    Type: Application
    Filed: March 10, 2004
    Publication date: October 7, 2004
    Applicant: SOLVAY SOLEXIS S.p.A.
    Inventors: Vito Tortelli, Pierangelo Calini, Stefano Millefanti