Patents by Inventor Paul E. Rajtar

Paul E. Rajtar 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).

  • Patent number: 7071154
    Abstract: Azeotrope-like compositions comprising C2F5CF(OCH3)CF(CF3)2 (1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-trifluoromethyl-pentane) and an organic solvent, and uses thereof, are described.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: July 4, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Paul E. Rajtar, John G. Owens
  • Patent number: 6537380
    Abstract: A homogeneous non-aqueous composition containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: March 25, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Lawrence A. Zazerra, Frederick E. Behr, Michael J. Parent, Paul E. Rajtar
  • Patent number: 6492309
    Abstract: A homogeneous compositions containing a fluorinated solvent, hydrogen fluoride, and an optional co-solvent, and the use of these compositions for etching of microelectromechanical devices is described.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: December 10, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Frederick E. Behr, Paul E. Rajtar, Lawrence A. Zazzera, Michael J. Parent, Silva K. Theiss, Billy L. Weaver
  • Publication number: 20020107160
    Abstract: A homogeneous non-aqueous composition containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.
    Type: Application
    Filed: January 7, 2002
    Publication date: August 8, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Lawrence A. Zazzera, Frederick E. Behr, Michael J. Parent, Paul E. Rajtar
  • Patent number: 6372700
    Abstract: A homogeneous non-aqueous compositions containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: April 16, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Lawrence A. Zazerra, Frederick E. Behr, Michael J. Parent, Paul E. Rajtar
  • Patent number: 6310018
    Abstract: A homogeneous compositions containing a fluorinated solvent, hydrogen fluoride, and a co-solvent, and the use of these compositions for cleaning and etching of substrates is described.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: October 30, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Frederick E. Behr, Lawrence A. Zazzera, Paul E. Rajtar, Michael J. Parent