Granted Patent
Utility
US 6,444,749 · App. 09/784,915
Aqueous dispersions of particles of polymers with a glass transition temperature gradient
Inventor:
Dirk Emiel Paula Mestach
Patented Case
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Granted: Sep 3, 2002
Filed: Feb 16, 2001
Inventor
Dirk Emiel Paula Mestach
Assignee (at issue)
AKZO NOBEL N.V.
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.