Granted Patent
Utility
US 5,634,972 · App. 08/596,901
Hydration control of cementitious systems
Inventors:
John Pacanovsky, Lan Huang, Frank T. Gay, Samy M. Shendy
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Mar 13, 1996
Inventors
John Pacanovsky
Lan Huang
Frank T. Gay
Samy M. Shendy
Assignee (at issue)
Sandoz AG
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.