- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 11/08 - Obtaining noble metals by cyaniding
Patent holdings for IPC class C22B 11/08
Total number of patents in this class: 132
10-year publication summary
|
13
|
13
|
6
|
6
|
10
|
11
|
25
|
14
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5480 |
7 |
| Robert Bosch GmbH | 42689 |
6 |
| Corem | 7 |
6 |
| Newcrest Mining Limited | 38 |
6 |
| S.A. Lhoist Recherche et Developpement | 172 |
4 |
| BASF SE | 20933 |
3 |
| Barrick Gold Corporation | 52 |
3 |
| Blucher GmbH | 178 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1651 |
3 |
| Ethox Chemicals, LLC | 93 |
3 |
| National University of Singapore | 2449 |
3 |
| Cryoinfra S.A. de C.V. | 3 |
3 |
| Dow Global Technologies LLC | 10363 |
2 |
| Chevron U.S.A. Inc. | 3955 |
2 |
| Centro de Investigacion en Materiales Avanzados, S.C. | 9 |
2 |
| Cesl Limited | 6 |
2 |
| Cyanco Corporation | 8 |
2 |
| Freeport Minerals Corporation | 107 |
2 |
| Gekko Systems Pty Ltd | 35 |
2 |
| Hatch Ltd. | 214 |
2 |
| Other owners | 66 |