Granted Patent
Utility
US 4,822,492 · App. 06/655,583
Latex polymer bonded crystalline molecular sieves
Inventors:
Chien-Chung Chao, John D. Sherman, Craig H. Barkhausen
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Sep 28, 1984
Inventors
Chien-Chung Chao
John D. Sherman
Craig H. Barkhausen
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.