Product and process for preparing a plant fiber product
US5068121A · kind A · utility
15Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1989 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Nov 21, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23L33/24
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A plant fiber product for use in food products is prepared from straw by cutting and cooking in sodium hydroxide containing liquor, followed by a treatment with ClO.sub.2 in an acid medium, treatment with H.sub.2 O.sub.2 in a basic medium, and again treatment with ClO.sub.2 in an acid medium, said processing steps being carried out for such a period and with such an intensity that substantially all lignin is removed, that the final product is obtained with great whiteness and purity, thereby making the product suitable for the intended purpose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.