- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment 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: 134
10-year publication summary
8
|
13
|
13
|
6
|
6
|
10
|
11
|
24
|
12
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corem | 8 |
7 |
Ecolab USA Inc. | 5190 |
7 |
Robert Bosch GmbH | 40953 |
6 |
Newcrest Mining Limited | 38 |
5 |
S.A. Lhoist Recherche et Developpement | 163 |
4 |
BASF SE | 19740 |
3 |
Blucher GmbH | 192 |
3 |
Ethox Chemicals, LLC | 95 |
3 |
National University of Singapore | 2228 |
3 |
Cryoinfra S.A. de C.V. | 3 |
3 |
Dow Global Technologies LLC | 10147 |
2 |
Chevron U.S.A. Inc. | 3774 |
2 |
Barrick Gold Corporation | 73 |
2 |
Centro de Investigacion en Materiales Avanzados, S.C. | 10 |
2 |
Cesl Limited | 7 |
2 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
2 |
Freeport Minerals Corporation | 80 |
2 |
Gekko Systems Pty Ltd | 30 |
2 |
Hatch Ltd. | 219 |
2 |
Maelgwyn Mineral Services Africa (Proprietary) Limited | 2 |
2 |
Other owners | 70 |