Granted Patent
Utility
US 6,149,943 · App. 09/431,899
Microcrystalline cellulose particles having active core
Inventors:
Daniel McTeigue, Indukumar G. Shah, Karen Swider, David Wynn
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Nov 2, 1999
Inventors
Daniel McTeigue
Indukumar G. Shah
Karen Swider
David Wynn
Assignee (at issue)
McNeil-PPC, 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.