Granted Patent
Utility
US 5,087,746 · App. 07/652,498
Process for the production of high purity tartaric acid
Inventors:
Richard Bosch, Skippy H. Ramsey
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Feb 11, 1991
Inventors
Richard Bosch
Skippy H. Ramsey
Assignee (at issue)
Monsanto 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.