Granted Patent
Utility
US 6,218,168 · App. 09/065,104
Process for preparing O-acetylserine, L-cysteine and L-cysteine-related products
Inventors:
Walfred Leinfelder, Peter Heinrich
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: May 13, 1998
Inventors
Walfred Leinfelder
Peter Heinrich
Assignee (at issue)
Consortium für elektrochemische Industrie GmbH
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.