Granted Patent
Utility
US 4,416,804 · App. 06/385,589
Acidic multimetallic catalytic composite
Inventors:
George J. Antos, Tai-Hsiang Chao
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Jun 7, 1982
Inventors
George J. Antos
Tai-Hsiang Chao
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.