- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 21/36 - Nitrogen dioxide (NO2, N2O4)
Patent holdings for IPC class C01B 21/36
Total number of patents in this class: 27
10-year publication summary
|
2
|
2
|
3
|
2
|
3
|
3
|
5
|
3
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ascend Performance Materials Operations LLC | 260 |
2 |
| Casale SA | 572 |
2 |
| Deepak Nitrite Limited | 23 |
2 |
| DeNA Co., Ltd. | 185 |
2 |
| Noxilizer, Inc. | 25 |
2 |
| Selective Micro Technologies, LLC | 14 |
2 |
| Weiler Engineering, Inc. | 28 |
2 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Kemin Industries, Inc. | 300 |
1 |
| Saian Corporation | 5 |
1 |
| Southwest Research Institute | 791 |
1 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
1 |
| SunCoke Technology and Development LLC | 191 |
1 |
| ThyssenKrupp Industrial Solutions AG | 729 |
1 |
| Universidade Estadual de Campinas - Unicamp | 260 |
1 |
| Universitat Heidelberg | 217 |
1 |
| The University of Liverpool | 281 |
1 |
| Yara International ASA | 753 |
1 |
| Leibniz-Institut für Plasmaforschung und Technologie e.V. | 31 |
1 |
| Vero Biotech Inc. | 75 |
1 |
| Other owners | 0 |