Granted Patent
Utility
US 6,756,451 · App. 10/036,495
Process for the hydrogenation of a polymer composed of diene monomer units and a nitrile group-containing monomer
Inventors:
Johannes Wilhelmus Belt, Olav Marcus Aagaard
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Jan 7, 2002
Inventors
Johannes Wilhelmus Belt
Olav Marcus Aagaard
Assignee (at issue)
DSM IP Assets B.V.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.