| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 18 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Nitrogenous fertilisers | |
| #3 | Liquefaction of gases by pressure |
PATENTUDNYTTERNE L AIR LIQUIDE has a total of 18 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Denmark. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and chemical engineering are GROVER BHADRA S, BRAUN & CO C F and BANQUY DAVID L.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 18 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Nitrogenous fertilisers | |
| #3 | Liquefaction of gases by pressure |