Granted Patent
Utility
US 5,283,006 · App. 07/982,803
Neutralizing amines with low salt precipitation potential
Inventors:
Scott E. Lehrer, James G. Edmondson
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Nov 30, 1992
Inventors
Scott E. Lehrer
James G. Edmondson
Assignee (at issue)
Betz Laboratories, 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.