| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | Spain | 2 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Israel | 1 | |
| #8 | Netherlands | 1 | |
| #9 | African Intellectual Property Organization | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Rare-earth metal compounds | |
| #2 | Inorganic compounds | |
| #3 | Building materials | |
| #4 | Metal production and refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pavonet Engelhard | 2 |
| #2 | Pavonet E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES311022A1 | Pressure regulator for cinc oven condensers with multiple pots. (Machine-translation by Google Translate, not legally binding) | |
| IL23004A | Process for the purification of residual gypsum produced in the manufacture of phosphoric acid by the reaction of sulphuric acid with natural phosphates | |
| CA886485A | Process for the purification of residual gypsum |