Granted Patent
Utility
US 6,624,243 · App. 09/850,208
Functionalized copolymers for preparing coating compositions
Inventors:
Kurt Stark, Peter Tschirner, Peter Ball, Klaus Büppelmann, Udo Kotschi
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: May 7, 2001
Inventors
Kurt Stark
Peter Tschirner
Peter Ball
Klaus Büppelmann
Udo Kotschi
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.