Method for the production of improved chymopapain
US4374926A · kind A · utility
15Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1981 |
| Grant date | Feb 22, 1983 |
| Priority date | — |
| Expiry date | May 13, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/815
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of preparing a purified proteolytically active chymopapain from crude chymopapain extracts by the use of exchange resin absorption purification techniques is provided. The purified chymopapain is characterized by relative freedom from proteolytically inactive, colored and/or toxic components and by its failure to form a precipitate with barium chloride test solution (U.S.P.) under acid conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.