VALMET POWER AB
4Patents
4Active
4Granted
44Portfolio score
Filing activity: Oct 26, 2007 → Jun 28, 2011 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9067959B2 | Method for precipitating lignin from black liquor by utilizing waste gases | Textiles; Paper | 3 | Active |
| US8747105B2 | Insert tube and a system of insert tubes | Emerging Cross-Sectional Technologies | 2 | Active |
| US9475833B2 | Method for lignin separation from black liquor comprising removal of sulfur compounds from formed water effluent | Emerging Cross-Sectional Technologies | 1 | Active |
| US8888955B2 | Method and equipment for the evaporation of black liquor that is obtained from a digestion process during the production of cellulose pulp | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.