Granted Patent
Utility
US 4,409,375 · App. 06/347,965
Method for scavenging aldehydes
Inventors:
Seymour Hartman, Timothy M. Brown
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Feb 11, 1982
Inventors
Seymour Hartman
Timothy M. Brown
Assignee (at issue)
Champion International Corporation Limited
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.