Granted Patent
Utility
US 5,266,334 · App. 07/922,130
Sugar-free dry mix cellulose ether compositions as bulk laxatives
Inventors:
Deepak Phadke, Julie L. Collier
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jul 29, 1992
Inventors
Deepak Phadke
Julie L. Collier
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.