| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | China | 1 | |
| #6 | Germany | 1 | |
| #7 | EAPO (Eurasian Patent Organization) | 1 | |
| #8 | United States | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Biotechnology | |
| #4 | Environmental technology | |
| #5 | Textiles and paper |
| # | Name | Total Patents |
|---|---|---|
| #1 | Streffer Friedrich | 12 |
| #2 | Friedrich Streffer | 3 |
| #3 | Streffer Friedrich Dr | 2 |
| #4 | Heuermann Arno | 1 |
| #5 | Streffer Katrin Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2015144321A1 | Method for purifying phosphoric acid | |
| EP2835392A1 | Novel lignin materials containing compositions | |
| EP2835391A1 | Method for lignin recovery | |
| DE102010006609A1 | Device for digesting cellulose- or hemicellulose-lignin compounds to operate a biogas plant with subsequent electricity- or gas-production | |
| EP2346927A1 | A method for digesting a biomass comprising lignin together with cellulose and/or hemicellulose |