Granted Patent
Utility
US 6,639,049 · App. 10/046,320
Process for the preparation of polymers having a reduced content of volatile components
Inventor:
Hans-Peter Weitzel
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Nov 9, 2001
Inventor
Hans-Peter Weitzel
Assignee (at issue)
WACKER POLYMER SYSTEMS GMBH & CO. KG
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.