Process for preparation of lignin resin
US3940352A · kind A · utility
14Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1974 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Feb 21, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G8/28
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a new process for preparation of lignin resin, i.e., thermosetting resin based on lignin, particularly from sulfite waste liquor, which resin for example can be used as a binder in particle board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.