Granted Patent
Utility
US 5,332,436 · App. 08/042,837
Method of increasing the surface area and plastic properties of hydrated lime
Inventors:
Daniel Walker, Joseph L. Oliphant
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Apr 5, 1993
Inventors
Daniel Walker
Joseph L. Oliphant
Assignee (at issue)
Chemical Lime 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.