Patent · US Expired

Method for preparing enzymes from crustaceans

US5061627A · kind A · utility

17Cited by

1References

7Claims

0Family size

Assignee

NORSK HYDRO ASA · NO

Inventors

Ragnar Olsen · Tromsø, NO
Even Stenberg · Tromsø, NO
Erling Sandsdalen · Tromsø, NO
Karl A. Almas · Tromsø, NO

Key dates

Filing date	Oct 11, 1989
Grant date	Oct 29, 1991
Priority date	—
Expiry date	Oct 11, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N9/2434
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A process for isolating valuable bioactive substances such as the enzymes alkaline phosphates, hyaluronidase and chitinase from crustacea, mainly shrimp, by extracting said enzymes with a water soluble eluant and to treat the extracted brine in the following process steps; purifying by centrifugation or filtration, purification, extraction and removal of unwanted substances and isolation of the valuable substances.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.