Patents Assigned to Aziende Chimiche Riunute Angelini Francesco A.C.R.A.F. S.p.A.
  • Manufacturing of benzydamine purification of benzydamine using steam distillation
    Patent number: 4749794
    Abstract: A method for removing a 1-chloro-3-dimethylaminopropane impurity from a benzydamine crude product which comprises steam distillation.
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: June 7, 1988
    Assignee: Aziende Chimiche Riunute Angelini Francesco A.C.R.A.F. S.p.A.
    Inventor: Leandro Baiocchi