Granted Patent
Utility
US 5,093,299 · App. 07/462,202
Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile
Inventors:
Dev D. Suresh, Maria S. Friedrich, Michael J. Seely
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Jan 9, 1990
Inventors
Dev D. Suresh
Maria S. Friedrich
Michael J. Seely
Assignee (at issue)
The Standard Oil 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.