| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 41 |
| # | Technology | |
|---|---|---|
| #1 | Paper recycling | |
| #2 | Paper coating | |
| #3 | Working-up peat | |
| #4 | Reduction of greenhouse gas emissions | |
| #5 | Macromolecular compounds compositions | |
| #6 | Non-metallic elements | |
| #7 | Polysaccharides | |
| #8 | Fuels | |
| #9 | Treating wood | |
| #10 | Veneer production |
| Publication | Filing date | Title |
|---|---|---|
| DE436554C | Process for the rapid bleaching of fibers in cardboard form | |
| DE443123C | Process for the wet charring of plant material | |
| DE405004C | Process for the production of very pure cellulose fibers with a low level of encrusts and ashes |