Process for producing microcellulose
US10358504B2 · kind B2 · utility
2Cited by
7References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2011 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Jan 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B15/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing microcellulose comprising subjecting fibrous cellulosic material to acid hydrolysis at a temperature from 10° C. to less than 140° C. and at a consistency of at least 8% on dry weight of the cellulose, wherein the amount of added acid is from 0.2 to 2%, preferably from 0.3 to 1.9%, more preferably from 0.5 to 1.5% on dry weight of the cellulose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.