Granted Patent
Utility
US 4,487,749 · App. 06/511,727
Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof
Inventors:
Fawzy G. Sherif, Helmut W. Majewski, Francis A. Via
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Jul 8, 1983
Inventors
Fawzy G. Sherif
Helmut W. Majewski
Francis A. Via
Assignee (at issue)
Stauffer 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.