Granted Patent
Utility
US 4,352,759 · App. 06/258,840
Recovery of high purity N-acyl taurine in high yield
Inventor:
Erwin Schwarte
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Apr 29, 1981
Inventor
Erwin Schwarte
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.