Granted Patent
Utility
US 5,551,972 · App. 08/518,145
Absorption process without external solvent
Inventors:
Glenn C. Wood, Yuv R. Mehra
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Aug 23, 1995
Inventors
Glenn C. Wood
Yuv R. Mehra
Assignee (at issue)
ADVANCED EXTRACTION TECHNOLOGIES, 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.