Granted Patent
Utility
US 5,563,056 · App. 08/395,521
Preparation of crosslinked matrices containing covalently immobilized chemical species and unbound releasable chemical species
Inventors:
Dale G. Swan, Mark W. Josephson, Melvin J. Swanson
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Feb 27, 1995
Inventors
Dale G. Swan
Mark W. Josephson
Melvin J. Swanson
Assignee (at issue)
BSI Corporation
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.