Granted Patent
Utility
US 5,399,279 · App. 07/986,204
Refrigeration compositions
Inventors:
Mahmood Sabahi, Matthew L. Hurst
Patented Case
View Patent ↗
Granted: Mar 21, 1995
Filed: Dec 7, 1992
Inventors
Mahmood Sabahi
Matthew L. Hurst
Assignee (at issue)
ALBEMARLE CORPORATION
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.