Manufacturing of microcellulose
US9587038B2 · kind B2 · utility
4Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2011 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Oct 7, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08H8/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing microcellulose comprising a) acidifying fibrous cellulosic material, b) washing the acidified cellulosic material, c) optionally dewatering the washed cellulosic material, and d) hydrolyzing the washed or washed and dewatered cellulosic material under acidic conditions at a temperature of at least 120° C. and at a consistency of at least 8% on dry weight of the cellulose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.