Granted Patent
Utility
US 5,633,342 · App. 08/549,567
Method for the synthesis of environmentally degradable block copolymers
Inventors:
Dan W. Verser, Kevin H. Schilling, Xiaomao Chen
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Oct 27, 1995
Inventors
Dan W. Verser
Kevin H. Schilling
Xiaomao Chen
Assignee (at issue)
Chronopol, 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.