Granted Patent
Utility
US 4,372,876 · App. 06/353,683
Zeolite molecular sieve adsorbent for an aqueous system
Inventors:
Santi Kulprathipanja, Richard W. Neuzil
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Mar 1, 1982
Inventors
Santi Kulprathipanja
Richard W. Neuzil
Assignee (at issue)
UOP 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.