Granted Patent
Utility
US 6,512,087 · App. 09/698,724
Fractionation of resins using a static mixer and a liquid-liquid centrifuge
Inventors:
Stanley F. Wanat, M. Dalil Rahman, Zhong Xiang
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Oct 27, 2000
Inventors
Stanley F. Wanat
M. Dalil Rahman
Zhong Xiang
Assignee (at issue)
Clariant Finance (BVI) 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.