Granted Patent
Utility
US 6,552,144 · App. 09/614,402
Process for the continuous production of gel free polymers, and powder and liquid coating applications containing gel free polymers
Inventors:
J. David Campbell, Michihiro Kaai, Yasuhiko Mori, Alan J. Pekarik, Warunee Srisiri-Sisson, Marco A. Villalobos
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Jul 12, 2000
Inventors
J. David Campbell
Michihiro Kaai
Yasuhiko Mori
Alan J. Pekarik
Warunee Srisiri-Sisson
Marco A. Villalobos
Assignee (at issue)
Johnson Polymer, LLC
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.