Granted Patent
Utility
US 5,710,337 · App. 08/630,146
Synthesis of and hydroformylation with fluoro-substituted bidentate phosphine ligands
Inventors:
Jerry D. Unruh, Brigitte E. Segmuller, Gabriel R. Chapa, Kent E. Pryor
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Apr 10, 1996
Inventors
Jerry D. Unruh
Brigitte E. Segmuller
Gabriel R. Chapa
Kent E. Pryor
Assignee (at issue)
Hoechst Celanese Corporation
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.