Patents by Inventor Edith Pighetti

Edith Pighetti 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).

  • IN-CAN STABILIZERS
    Publication number: 20110319535
    Abstract: The invention relates to the use of highly sterically hindered nitroxyl radicals or of quinone methides or of mixtures thereof as in-can stabilizers for UV-curable resins.
    Type: Application
    Filed: September 7, 2011
    Publication date: December 29, 2011
    Inventors: PETER NESVADBA, André Fuchs, Stephan Ilg, Edith Pighetti
  • In-can stabilizer blend
    Patent number: 7723398
    Abstract: The invention relates to a radiation curable coating or an ink composition comprising a photoinitiator and a stabilizer blend of a sterically hindered nitroxyl radical and a quinone methide.
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: May 25, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Stephan Ilg, Edith Pighetti, Peter Nesvadba, André Fuchs
  • In-can stabilizer blend
    Publication number: 20090176906
    Abstract: The invention relates to a radiation curable coating or an ink composition comprising a photoinitiator and a stabilizer blend of a sterically hindered nitroxyl radical and a quinone methide.
    Type: Application
    Filed: April 12, 2006
    Publication date: July 9, 2009
    Inventors: Stephan Ilg, Edith Pighetti, Peter Nesvadba, André Fuchs
  • In-Can Stabilizers
    Publication number: 20070225397
    Abstract: The invention relates to the use of highly sterically hindered nitroxyl radicals as in-can stabilizers for UV-curable resins. The present invention further relates to the use of quinone methides as in-can stabilizers for UV-curable resins.
    Type: Application
    Filed: August 24, 2005
    Publication date: September 27, 2007
    Inventors: Peter Nasvadba, Andre Fuchs, Stephan Ilg, Edith Pighetti