Granted Patent
Utility
US 6,071,965 · App. 09/002,147
Phosphinic alkanoic acid derivatives
Inventors:
Paul F. Jackson, Weixing Li, Keith M. Maclin, Kevin L. Tays, Takashi Tsukamoto, Barbara Slusher
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Dec 31, 1997
Inventors
Paul F. Jackson
Weixing Li
Keith M. Maclin
Kevin L. Tays
Takashi Tsukamoto
Barbara Slusher
Assignee (at issue)
Guilford Pharmaceuticals, Inc.
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.