Granted Patent
Utility
US 6,358,365 · App. 09/459,890
Metal silicates, cellulose products, and processes thereof
Inventors:
Fushan Zhang, Jimei Tong, Tom E. Taggart
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Dec 14, 1999
Inventors
Fushan Zhang
Jimei Tong
Tom E. Taggart
Assignee (at issue)
HERCULES LLC
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.