Granted Patent
Utility
US 6,071,712 · App. 08/933,517
Enzymatic process for the production of cephalosporins
Inventors:
Vedanthadesikan Renganathan, Martin Brenner
Patented Case
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Granted: Jun 6, 2000
Filed: Sep 18, 1997
Inventors
Vedanthadesikan Renganathan
Martin Brenner
Assignee (at issue)
SmithKline Beecham Limited
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.