Granted Patent
Utility
US 6,627,720 · App. 09/873,634
Hyperbranched polymers
Inventors:
J. David Campbell, Fouad Teymour
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jun 4, 2001
Inventors
J. David Campbell
Fouad Teymour
Assignee (at issue)
Johnson Polymer, LLC
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.