Enzyme-containing polyurethanes
US6759220B1 · kind B1 · utility
37Cited by
5References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 17, 1999 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | Nov 17, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N11/18
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method of increasing loading of active enzyme immobilized in a polyurethane polymer including the steps of: synthesizing the polyurethane polymer in a reaction mixture containing water and enzyme; and including a sufficient amount of a surfactant in the reaction mixture to increase enzyme activity at an enzyme loading.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.