Granted Patent
Utility
US 4,384,045 · App. 06/179,915
Activation of a siliceous carrier for enzyme immobilization
Inventors:
Guan-Huei Ho, Chiang-Chang Liao
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Aug 20, 1980
Inventors
Guan-Huei Ho
Chiang-Chang Liao
Assignee (at issue)
Borden 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.