Granted Patent
Utility
US 5,973,183 · App. 09/134,408
Phosphine ligand promoted synthesis of tetraaryloxyalkane
Inventors:
Deborah Ann Haitko, Marsha Mottel Grade, Kathryn Lynn Longley, Robert Edgar Colborn
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Aug 14, 1998
Inventors
Deborah Ann Haitko
Marsha Mottel Grade
Kathryn Lynn Longley
Robert Edgar Colborn
Assignee (at issue)
General Electric Company
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.