Patents by Inventor Giuseppe Pedrazzini

Giuseppe Pedrazzini 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).

  • Compositions for protecting steel surfaces against atmospheric oxidation
    Patent number: 4808244
    Abstract: Compositions for protecting steel surfaces against atmosferic oxidation comprising the quercitine derivative of monogallerylellogic acid, phosphoric acid, monoacid Zn phosphate, Zn nitrate, ascorbic acid, a water-miscible organic solvent ed water, said water-miscible organic solvent consisting of isopropyl glucol and ethoxypropanol.Said compositions are applied directly to the oxidized, treated or non-treated, steel surfaces.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: February 28, 1989
    Assignee: ITALBONDER Spa
    Inventor: Giuseppe Pedrazzini
  • Protective compositions for steel surfaces and the process for their preparation
    Patent number: 4293349
    Abstract: The invention refers to new compositions for protecting steel surfaces from the oxidizing action of atmosphere.The essential components are: glucosides of pyrogallic and/or allagic acid of molecular weight between 270 and 1200; phosphoric acid, phosphates of bivalent transition metals such as Zn and Mn and nitrates of bivalent metals such as Zn and Mn.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: October 6, 1981
    Assignee: Parker Italiana S.a.s.
    Inventor: Giuseppe Pedrazzini