Granted Patent
Utility
US 6,468,518 · App. 09/779,061
Deliquescent salt addition to alum used to treat animal waste products
Inventors:
Christopher Lind, Joseph Hurd, Russell H. Barnes
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Feb 8, 2001
Inventors
Christopher Lind
Joseph Hurd
Russell H. Barnes
Assignee (at issue)
General Chemical Company
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.