Granted Patent
Utility
US 5,560,829 · App. 08/096,820
Use of aluminosilicates of the zeolite p type as low temperature calcium binders
Inventors:
Christopher Adams, Abraham Araya, Peter Graham, Andrew T. Hight
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Jul 28, 1993
Inventors
Christopher Adams
Abraham Araya
Peter Graham
Andrew T. Hight
Assignee (at issue)
Unilever Patent Holdings B.V.
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.