| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | Luxembourg | 5 | |
| #3 | South Africa | 5 | |
| #4 | Brazil | 4 | |
| #5 | Morocco | 4 | |
| #6 | Mexico | 3 | |
| #7 | Australia | 2 | |
| #8 | Canada | 2 | |
| #9 | Finland | 2 | |
| #10 | Greece | 2 | |
| #11 | Israel | 2 | |
| #12 | Philippines | 2 | |
| #13 | United States | 2 | |
| #14 | China | 1 | |
| #15 | Germany | 1 | |
| #16 | Denmark | 1 | |
| #17 | Algeria | 1 | |
| #18 | Spain | 1 | |
| #19 | India | 1 | |
| #20 | Italy | 1 | |
| #21 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #22 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Davister Armand Laurent | 23 |
| #2 | Thirion Francis Arthur | 20 |
| #3 | Dubreucq Andre Robert | 12 |
| #4 | Davister A | 5 |
| #5 | Davister Armand L | 4 |
| #6 | Arthur Thirion Francis | 3 |
| #7 | Davister Armaud Laurent | 3 |
| #8 | Thirion Francis A | 3 |
| #9 | Laurent Davister Armand | 2 |
| #10 | Dubreuco Andre Robert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP0181029A2 | Continuous process for the preparation of phosphoric acid and of calcium sulphate | |
| LU85628A1 | Wet process phosphoric acid and calcium sulphate prodn. - with adjustment of flow rates, temp. and concn. to control crystal form of the by=product | |
| LU84713A1 | Process and preparation of phosphoric acid and calcium hemihydrate alpha sulfate | |
| LU81850A1 | Process for reducing re-extraction of the uranium from an organic extractant | |
| LU81236A1 | Process and plant for the manufacture of pellet fertilizers | |
| LU78457A1 | Phosphoric acid manufacturing process |