Granted Patent
Utility
US 5,718,969 · App. 08/111,800
Nonaggregating hydrocolloid microparticulates, intermediates therefor, and processes for their preparation
Inventors:
Christopher J. Sewall, Donald W. Renn, Peter J. Riley, William R. Thomas, Lisa E. Dumont, Guy A. Crosby
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Aug 25, 1993
Inventors
Christopher J. Sewall
Donald W. Renn
Peter J. Riley
William R. Thomas
Lisa E. Dumont
Guy A. Crosby
Assignee (at issue)
FMC 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.