Systems, compositions, and/or methods for depolymerizing cellulose and/or starch
US8314231B2 · kind B2 · utility
7Cited by
25References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2008 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Sep 8, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/10
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Methods for depolymerizing polysaccharides are disclosed. In certain exemplary methods, polysaccharides having a first average molecular weight can be reacted with hydroxyl free radicals to produce polysaccharides having a second average molecular weight lower than the first average molecular weight. The hydroxyl free radicals can be formed by interaction of an oxidant with a catalyst comprising a polydentate ligand complexed with a metal ion. In certain exemplary embodiments, the oxidant can be hydrogen peroxide, and the catalyst can be iron methylglycine diacetate or iron-2,3,4,5,6 pentahydroxyhexanoate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.