Granted Patent
Utility
US 4,576,754 · App. 06/659,089
Preparation of 6,6-dibromo-penicillanic acid-1,1-dioxide
Inventors:
Jagdish C. Kapur, Herman P. Fasel
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Oct 10, 1984
Inventors
Jagdish C. Kapur
Herman P. Fasel
Assignee (at issue)
Gist-Brocades N.V.
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.