| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Bulgaria | 2 | |
| #3 | Czechia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Hungary | 2 | |
| #6 | African Intellectual Property Organization | 2 | |
| #7 | Poland | 2 | |
| #8 | WIPO (World Intellectual Property Organization) | 2 | |
| #9 | Canada | 1 | |
| #10 | Algeria | 1 | |
| #11 | France | 1 | |
| #12 | Hong Kong | 1 | |
| #13 | Romania | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Lubricating compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meziou Salah | 21 |
| #2 | Jaafar Abdelhafidh | 21 |
| #3 | Ouazzane Achour | 20 |
| #4 | Boufahja Med Ali | 17 |
| #5 | Dhaouadi Mohamed | 10 |
| #6 | Khalef Naceur | 8 |
| #7 | Merchaoui Med Hedi | 6 |
| #8 | Boufahja Med A | 3 |
| #9 | Merchaoui Med H | 2 |
| #10 | Achour Ouazzane | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9800401B | Process and installation for the regeneration of high performance lubricant oils. | |
| FR2757175A1 | METHOD AND PLANT FOR REGENERATING HIGH PERFORMANCE LUBRICATING OILS | |
| AU6285794A | Process and plant for the regeneration of lubricating oils |