Granted Patent
Utility
US 6,096,553 · App. 09/208,219
On-line analysis of acid catalyst in an alkylation process
Inventors:
Randall L. Heald, Alan D. Eastman, Bruce B. Randolph, Donald H. Renfro
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Dec 9, 1998
Inventors
Randall L. Heald
Alan D. Eastman
Bruce B. Randolph
Donald H. Renfro
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.