Immobilized catalytically active substance and method of preparing the same
US4138292A · kind A · utility
45Cited by
3References
64Claims
0Family size
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Key dates
| Filing date | Jun 16, 1977 |
| Grant date | Feb 6, 1979 |
| Priority date | — |
| Expiry date | Jun 16, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/897
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
An enzyme or microorganism is entrapped within the gel matrix of a sulfated polysaccharide (said polysaccharide containing more than 10 w/w% of a sulfate moiety in its molecule) in the presence of ammonium ion, a metal ion, a water-soluble amine or a water-miscible organic solvent. The immobilized enzyme or microorganism thus obtained shows a high level of catalytic activity for a long period of time and can be used for continuous enzymatic reactions with substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.