| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Packaging and shipping | |
| #3 | Materials and metallurgy | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Paper recycling | |
| #2 | Unspecified technologies | |
| #3 | Alkali metal compounds | |
| #4 | Cleaning | |
| #5 | Closing and opening bottles | |
| #6 | Paper-making machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barbou Pierre Alfred | 2 |
| #2 | Filippi Padoue | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA296469A | Process for recovering the active parts of cellulose residual solutions | |
| CA285952A | Method of treating residual liquor |