Granted Patent
Utility
US 5,207,929 · App. 07/739,876
Method for removing hydrocarbons from polymer slurries
Inventors:
Chieh-Yuan F. Sung, Stephen J. Krause
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Aug 2, 1991
Inventors
Chieh-Yuan F. Sung
Stephen J. Krause
Assignee (at issue)
Quantum Chemical 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.