Granted Patent
Utility
US 6,159,302 · App. 09/231,384
Neutral phosphate pre-coagulant composition for clarification in white sugar production
Inventors:
Carlos Roberto Xavier, Claudio Candido Luiz, Luiz Antonio Fernandes
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jan 13, 1999
Inventors
Carlos Roberto Xavier
Claudio Candido Luiz
Luiz Antonio Fernandes
Assignee (at issue)
Betzdearborn, 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.