| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Canada | 2 | |
| #3 | Switzerland | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 | |
| #6 | Germany | 1 | |
| #7 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Computer technology | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Paper recycling | |
| #2 | Paper goods | |
| #3 | Building materials | |
| #4 | Climate change mitigation in wastewater treatment | |
| #5 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marpillero Paolo | 3 |
| #2 | Brevetti Industriali A B I Azi | 1 |
| #3 | Industriali A B I Azienda Brev | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE939725C | Bleaching process for non-homogeneous pulps | |
| GB691564A | Improved process of bleaching non-homogeneous cellulosic waste materials | |
| GB707982A | A semi-chemical pulp and the manufacture thereof | |
| CA570685A | Semi-chemical pulp making process | |
| CA555206A | Selective bleaching process for pulp prehomogenised in size and state |