Exploded bark products
US5021122A · kind A · utility
8Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1990 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Jan 22, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21J3/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A shaped product comprising exploded bark. Preferably the shaped product comprises exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, based upon the dry weight basis of the bark. One of the methods to make the shaped product comprises exploding softwood bark to obtain exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, compressing that exploded bark into a shaped product, while removing in part water, and drying the shaped product to remove the remaining water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.