Granted Patent
Utility
US 6,555,151 · App. 09/760,353
Process for making and using a low beverage soluble iron content adsorbent and composition made thereby
Inventors:
Yatao Hu, Cuong Tran
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Jan 12, 2001
Inventors
Yatao Hu
Cuong Tran
Assignee (at issue)
PQ 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.