Granted Patent
Utility
US 4,174,253 · App. 05/849,575
Dissolution of metals utilizing a H.sub.2 O.sub.2 -H.sub.2 SO.sub.4 solution catalyzed with hydroxy substituted cycloparaffins
Inventors:
Moenes L. Elias, Philip D. Readio
Patented Case
View Patent ↗
Granted: Nov 13, 1979
Filed: Nov 8, 1977
Inventors
Moenes L. Elias
Philip D. Readio
Assignee (at issue)
Dart Industries 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.