Granted Patent
Utility
US 6,239,235 · App. 08/893,200
High solids slurry polymerization
Inventors:
John D. Hottovy, Harvey Hensley, David Przelomski, Teddy Cymbaluk, Robert Franklin, Ethelwoldo Perez
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jul 15, 1997
Inventors
John D. Hottovy
Harvey Hensley
David Przelomski
Teddy Cymbaluk
Robert Franklin
Ethelwoldo Perez
Assignee (at issue)
Phillips Petroleum Company
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.