Granted Patent
Utility
US 5,164,480 · App. 07/747,547
Method for the manufacture of tall oils
Inventors:
Derk T. A. Huibers, Roger W. Daniels, Marilyn J. Niksa, Richard J. Coin, Joseph Elliott
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Aug 20, 1991
Inventors
Derk T. A. Huibers
Roger W. Daniels
Marilyn J. Niksa
Richard J. Coin
Joseph Elliott
Assignee (at issue)
Union Camp Corporation
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.