| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 7 | |
| #2 | Canada | 2 | |
| #3 | Spain | 2 | |
| #4 | Switzerland | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Netherlands | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Chemical leather treatments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bendixen Kristian | 12 |
| #2 | Ehrenreich Alfred Dr | 3 |
| #3 | Ehrenreich Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB120398A | Improvements in Process of Tanning Fish Skins or the like. | |
| CA183882A | Process of tanning fish skins | |
| US1235543A | Process of tanning fish-skins or the like. | |
| NL323C | Method for tanning fish skins and the like | |
| CA256873A | Process for utilizing the skins of chondropterygians and plagiostomes |