Granted Patent
Utility
US 6,346,554 · App. 09/601,801
ASA size emulsification with a natural gum for paper products
Inventors:
Daniel R. Dostie, Roman J. Nowicki
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Jan 18, 2001
Inventors
Daniel R. Dostie
Roman J. Nowicki
Assignee (at issue)
Calgon 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.