Granted Patent
Utility
US 4,294,775 · App. 06/126,678
Resolution of acylated D,L-alkyl substituted alkanoic acids
Inventor:
Bonnie G. McKinnie
Patented Case
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Granted: Oct 13, 1981
Filed: Mar 3, 1980
Inventor
Bonnie G. McKinnie
Assignee (at issue)
Ethyl 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.