Selective hydrolysis of cellulose to glucose without degradation of glucose using zinc chloride
US4525218A · kind A · utility
22Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1982 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | May 11, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC13K1/02
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Cellulose is selectively hydrolyzed to glucose without the formation of degradation by-products by pretreating the cellulose to form soluble cellodextrins through treatment with concentrated (60-80%) solutions of zinc chloride. Zinc chloride is then separated from the mixture by extraction with attendant precipitation of the cellodextrin material which is the hydrolyzed, chemically or enzymatically to glucose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.