Patents Assigned to Aquila S.P.A.
  • Utilization of orthophosphoric esters for the production of aqueous fluids for working metals
    Patent number: 4160089
    Abstract: An aqueous composition for the working of metals comprising in solution in water at least one salt of an orthophosphoric ester of the formula: ##STR1## in which R is a hydrocarbon group containing between 10 and 20 carbon atoms and at least two atoms of chlorine, R' is hydrogen or a hydrocarbon group, identical or not to R, whose carbon chain contains between 10 and 20 carbon atoms and at least two atoms of chlorine.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: July 3, 1979
    Assignee: Aquila S.p.A.
    Inventors: Giancarlo Bussi, Pierpaolo Baradel
  • Halogenated polycondensates of fatty alcohol-acids for aqueous metal-working fluids and method of machining a metal with said fluids
    Patent number: 4152915
    Abstract: Halogenated polycondensates of fatty alcohol-acids are prepared by the following steps:A. polycondensation of said fatty alcohol-acid in a solvent,B. halogenation of the polycondensate obtained in step (a)C. salification of the halogenated polycondensate obtained in step (b) by an alkaline and/or an amine and/or ammonium base.The polycondensates may also be esterifired with a mineral acid.The products are used in aqueous solutions for metal working.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: May 8, 1979
    Assignee: Aquila S.p.A.
    Inventors: Giancarlo Bussi, Pierpaolo Baradel
  • Orthophosphoric esters and process for producing same
    Patent number: 3983098
    Abstract: An aqueous composition for the working of metals comprising in solution in water at least one salt of an orthophosphoric ester of the formula: ##EQU1## in which R is a hydrocarbon group containing between 10 and 20 carbon atoms and at least two atoms of chlorine, R' is hydrogen or a hydrocarbon group, identical or not to R, whose carbon chain contains between 10 and 20 carbon atoms and at least two atoms of chlorine.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: September 28, 1976
    Assignee: Aquila S.p.A.
    Inventors: Giancarlo Bussi, Pierpaolo Baradel
  • Utilization of amido-acids for the production of aqueous fluids for the working of metals
    Patent number: 3945931
    Abstract: An aqueous fluid for the working of metals comprising an aqueous solution of at least one salt of an amido acid of the formula: ##EQU1## in which R is a hydrocarbon group, substituted or not by chlorine, and having between 9 and 25 carbon atoms; n and n' are whole numbers or zero, identical or not, whose sum (n + n') is equal to 1 or 2.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: March 23, 1976
    Assignee: Aquila S.P.A.
    Inventors: Giancarlo Bussi, Pierpaolo Baradel