Granted Patent
Utility
US 4,336,102 · App. 06/194,360
Method for recovery and reuse of ammonia in ammonia-base sulfite cooking liquors
Inventors:
Lawrence J. Jacobs, Carl R. Bozzuto
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Oct 6, 1980
Inventors
Lawrence J. Jacobs
Carl R. Bozzuto
Assignee (at issue)
Combustion Engineering, 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.