Granted Patent
Utility
US 5,556,705 · App. 08/388,133
Neutral metal complex salts
Inventors:
Axel Bottcher, Manfred Döring, Jurgen Zehrfeld
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Feb 13, 1995
Inventors
Axel Bottcher
Manfred Döring
Jurgen Zehrfeld
Assignee (at issue)
Rutgerswerke Aktiengesellschaft
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.