Granted Patent
Utility
US 4,919,945 · App. 07/158,096
Use of Aqueous L-lysine solutions for supplementing feeds and indistrially produced mixed feeds with L-lysine
Inventors:
Manfred Spindler, Herbert Tanner
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Feb 16, 1988
Inventors
Manfred Spindler
Herbert Tanner
Assignee (at issue)
Degussa AG
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.