Back to results
US 4,071,410 AGranted
Process for preparation of pancreatic elastase
AssigneeEisai Co., Ltd.
InventorMasayuki Yoshizawa
Life of this patent
Estimating the term…
Abstract
Pancreatic elastase is prepared by adding the duodenum of a mammalian animal or an extract thereof to a starting material containing a precursor of elastase to thereby activate the elastase precursor and separating the obtained pancreatic elastase.
Claims3
A process for preparing pancreatic elastase, which comprises adding the duodenum of a mammalian animal or an extract thereof to pancreatic material containing a precursor of elastase to thereby activate the elastase precursor and separating pancreatic elastase.
Dependencies are inferred from the claim text.