| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Brazil | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | South Africa | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | Ireland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Optics | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Environmental technology | |
| #6 | Measurement | |
| #7 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Litovitz T | 4 |
| #2 | De Macedo P | 2 |
| #3 | Macedo P | 2 |
| #4 | Mohr R | 1 |
| #5 | Litovitz T A | 1 |
| #6 | De Macedo Pedro M B | 1 |
| #7 | Simmons J | 1 |
| #8 | Meister R | 1 |
| #9 | Macedo P B | 1 |
| #10 | Barkatt Aaron | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2440778A1 | Fixing by ion exchange of toxic materials in a glass matrix | |
| ZA7801888B | Fixation of radioactive materials in a glass matrix |