Granted Patent
Utility
US 6,372,771 · App. 09/369,506
Water-based, solvent- and emulsifier-free microbicidal active compound combination
Inventors:
Georg-Wilhelm Ludwig, Otto Exner, Karl H. Buchel, Graham Holmwood
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Aug 6, 1999
Inventors
Georg-Wilhelm Ludwig
Otto Exner
Karl H. Buchel
Graham Holmwood
Assignee (at issue)
Bayer 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.