Granted Patent
Utility
US 6,337,196 · App. 09/331,761
Enzymatic processes for preparing (S)-cyanohydrins
Inventors:
Gerald Kirchner, Irma Wirth, Christian Werenka, Herfried Griengl, Michael Schmidt
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Jun 25, 1999
Inventors
Gerald Kirchner
Irma Wirth
Christian Werenka
Herfried Griengl
Michael Schmidt
Assignee (at issue)
DSM Fine Chemicals Austria NFG GmbH & Co KG
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.