Granted Patent
Utility
US 6,235,727 · App. 09/353,086
Sulfonylaminophosphinic and sulfonylaminophosphinic acid derivatives, methods for their preparation and use
Inventors:
Manfred Schudok, Wilfried Schwab, Gerhard Zoller, Eckart Bartnik, Frank Buttner, Klaus-Ulrich Weithmann
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jul 15, 1999
Inventors
Manfred Schudok
Wilfried Schwab
Gerhard Zoller
Eckart Bartnik
Frank Buttner
Klaus-Ulrich Weithmann
Assignee (at issue)
Aventis Pharma Deutschland 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.