Granted Patent
Utility
US 6,565,646 · App. 10/005,722
Talc composition and use in paper products
Inventors:
Vicente Lasmarias, Shripal Sharma, Alexis Layne
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Nov 2, 2001
Inventors
Vicente Lasmarias
Shripal Sharma
Alexis Layne
Assignee (at issue)
LUZENAC AMERICA, 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.