Granted Patent
Utility
US 5,693,707 · App. 08/373,729
Liquid absorbent composition for nonwoven binder applications
Inventors:
John Cheng, Finn L. Marten, Joel E. Goldstein, Chung-Ling Mao
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jan 17, 1995
Inventors
John Cheng
Finn L. Marten
Joel E. Goldstein
Chung-Ling Mao
Assignee (at issue)
Air Products and Chemicals, 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.