Granted Patent
Utility
US 6,800,580 · App. 10/111,205
Method for producing an improved catalyst for homo-and co-polymerization of olefin
Inventors:
Chun-Byung Yang, Mie Ock Kim
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Sep 3, 2002
Inventors
Chun-Byung Yang
Mie Ock Kim
Assignee (at issue)
Samsung General Chemicals, Co., Ltd.
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.