Granted Patent
Utility
US 5,607,580 · App. 08/473,239
Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices
Inventors:
William R. Betz, James L. Desorcie
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Jun 7, 1995
Inventors
William R. Betz
James L. Desorcie
Assignee (at issue)
Supelco, Inc.
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.