Granted Patent
Utility
US 5,360,723 · App. 08/057,922
Method for lowering molecular weight of microbial celluloses
Inventors:
John A. Hyatt, Robert M. Gardner, Scott R. Thatcher
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: May 7, 1993
Inventors
John A. Hyatt
Robert M. Gardner
Scott R. Thatcher
Assignee (at issue)
Eastman Chemical Company
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.