Granted Patent
Utility
US 4,677,196 · App. 06/773,174
Purification and activation of proteins from insoluble inclusion bodies
Inventors:
Steven K. Rausch, Hsi Meng
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Sep 6, 1985
Inventors
Steven K. Rausch
Hsi Meng
Assignee (at issue)
International Minerals & Chemical Corp.
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.