Granted Patent
Utility
US 6,604,567 · App. 10/076,057
Free radically cured cold-box binders containing an alkyl silicate
Inventors:
Wayne D. Woodson, H. Randall Shriver
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Feb 14, 2002
Inventors
Wayne D. Woodson
H. Randall Shriver
Assignee (at issue)
Ashland, 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.