Granted Patent
Utility
US 6,150,543 · App. 09/211,182
Enzymatic preparation of regioselective fatty acid esters of ascorbic acid
Inventors:
Burghard Gruning, Geoffrey Hills
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Dec 14, 1998
Inventors
Burghard Gruning
Geoffrey Hills
Assignee (at issue)
Th. Goldschmidt. 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.