Granted Patent
Utility
US 6,201,099 · App. 09/190,156
Multireactivity polymercaptans, star polymers and methods of preparation
Inventors:
Paul M. Petersen, Robert D. Harlan, Jules E. Schoenberg
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Nov 12, 1998
Inventors
Paul M. Petersen
Robert D. Harlan
Jules E. Schoenberg
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.