Patents by Inventor Ottmar Rohde, deceased

Ottmar Rohde, deceased 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).

  • Crosslinked polymers
    Patent number: 5834531
    Abstract: Radiation-sensitive compositions comprising a substance which forms acid under the action of actinic radiation and polymers based on combination of different repeating units derived from hydroxy styrene and hydroxy-vinylcyclohexane derivatives wherein a portion of the hydroxyl groups are replaced with either acid-labile acetal or ketal protecting groups and where a portion of the repeating groups comprise two crosslinked species connected via the protecting groups.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: November 10, 1998
    Assignee: Olin Microelectronic Chemicals, Inc.
    Inventors: Hans-Thomas Schacht, Norbert Muenzel, Carl-Lorenz Mertesdorf, Pasquale Alfred Falcigno, Heinz Holzwarth, Ottmar Rohde, deceased, Hans-Jorg Kirner
  • Crosslinked polymers
    Patent number: 5714559
    Abstract: Polymers based on combination of different repeating units derived from hydroxy styrene and hydroxyvinylcyclohexane derivatives wherein a portion of the hydroxyl groups are replaced with either acid-labile acetal or ketal protecting groups and where a portion of the repeating groups comprise two crosslinked species connected via the protecting groups.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: February 3, 1998
    Assignee: Olin Microelectronic Chemicals, Inc.
    Inventors: Hans-Thomas Schacht, Norbert Muenzel, Carl-Lorenz Mertesdorf, Pasquale Alfred Falcigno, Heinz Holzwarth, Ottmar Rohde, deceased, Hans-Jorg Kirner