Granted Patent
Utility
US 5,985,059 · App. 09/040,013
Transition metal salt compositions that eliminate hydrogen absorption and enhance hydrogen degassing of metal and metal alloys
Inventors:
Susanne M. Opalka, Joseph T. Laemmle
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 17, 1998
Inventors
Susanne M. Opalka
Joseph T. Laemmle
Assignee (at issue)
Aluminum Company of America
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.