Granted Patent
Utility
US 4,560,675 · App. 06/686,498
Adsorbent for separating fatty acids from rosin acids
Inventors:
Michael T. Cleary, William C. Laughlin
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Dec 26, 1984
Inventors
Michael T. Cleary
William C. Laughlin
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.