- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 7/18 - Preparation by the ammonia-soda process
Patent holdings for IPC class C01D 7/18
Total number of patents in this class: 28
10-year publication summary
|
3
|
1
|
3
|
0
|
1
|
0
|
1
|
1
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay SA | 993 |
6 |
| Research Institute of Industrial Science & Technology | 503 |
2 |
| EnPro AS | 4 |
2 |
| POSCO Holdings Inc. | 331 |
2 |
| Nanjing Institute of Microinterface Technology Co., Ltd | 48 |
2 |
| General Electric Technology GmbH | 1369 |
1 |
| GHG Saviortech Corp. | 1 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1243 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1212 |
1 |
| Idea International Investment and Development Company | 1 |
1 |
| Ingenia Polymers Corp. | 8 |
1 |
| Littelfuse, Inc. | 792 |
1 |
| United Arab Emirates University | 315 |
1 |
| University of South Australia | 190 |
1 |
| China Tianchen Engineering Corporation | 10 |
1 |
| PTT Public Company Limited | 29 |
1 |
| Icsip Pty Ltd | 13 |
1 |
| Idea International Investment and Development Company Global Patent Trust | 1 |
1 |
| General Electric Technology GmbH | 6 |
1 |
| Other owners | 0 |