Granted Patent
Utility
US 5,877,300 · App. 08/099,943
Preparation of guanidinium 5'5-azotetrazolate
Inventors:
Yu-Lin Peng, Chi-Wung Wong
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Jun 19, 1998
Inventors
Yu-Lin Peng
Chi-Wung Wong
Assignee (at issue)
CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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.