Granted Patent
Utility
US 5,961,832 · App. 08/817,527
Method and apparatus for diffusive transfer between immiscible fluids
Inventors:
John Edward Tyrone Shaw, Richard Iain Simpson, Adrian James Bull, Adrian Mark Simper, Robert George Godfrey Holmes
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Sep 16, 1997
Inventors
John Edward Tyrone Shaw
Richard Iain Simpson
Adrian James Bull
Adrian Mark Simper
Robert George Godfrey Holmes
Assignee (at issue)
Central Research Laboratories Limited
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.