- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 7/12 - Preparation of carbonates from bicarbonates
Patent holdings for IPC class C01D 7/12
Total number of patents in this class: 81
10-year publication summary
|
3
|
4
|
2
|
6
|
7
|
8
|
2
|
5
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay SA | 946 |
27 |
| Merck Patent GmbH | 5729 |
3 |
| Steerlife India Private Limited | 24 |
3 |
| The Regents of the University of California | 20778 |
2 |
| Sumitomo Chemical Company, Limited | 8968 |
2 |
| McKinsey & Company, Inc. | 56 |
2 |
| Solvay Chemicals, Inc. | 19 |
2 |
| Suntec Co., Ltd. | 22 |
2 |
| Washington State University | 497 |
2 |
| China Tianchen Engineering Corporation | 26 |
2 |
| R-s OSA Service OÜ | 4 |
2 |
| AGC Carbon Inc. | 8 |
2 |
| Mitsui Chemicals, Inc. | 3242 |
1 |
| GC Technology Limited | 2 |
1 |
| GHG Saviortech Corp. | 1 |
1 |
| Hpd, LLC | 13 |
1 |
| Institute for Advanced Engineering | 70 |
1 |
| Institute of Process Engineering, Chinese Academy of Sciences | 328 |
1 |
| Kemira Oyj | 1257 |
1 |
| Kemira Water Solutions, Inc. | 38 |
1 |
| Other owners | 22 |