Granted Patent
Utility
US 4,126,627 · App. 05/875,271
Process for preparing alkaline earth metal mercaptides
Inventor:
Gerald H. Reifenberg
Patented Case
View Patent ↗
Granted: Nov 21, 1978
Filed: Feb 6, 1978
Inventor
Gerald H. Reifenberg
Assignee (at issue)
Pennwalt Corporation
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.