- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/12 - Naturally occurring clays or bleaching earth
Patent holdings for IPC class B01J 20/12
Total number of patents in this class: 549
10-year publication summary
|
41
|
40
|
44
|
61
|
60
|
52
|
38
|
39
|
41
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sud-chemie AG | 202 |
16 |
| Arkema France | 3790 |
10 |
| Clariant International Ltd. | 978 |
9 |
| AMCOL International Corporation | 281 |
8 |
| BASF Corporation | 2039 |
7 |
| Active Minerals International, LLC | 45 |
7 |
| Pioneer Pet Products, LLC | 134 |
7 |
| Specialty Minerals (Michigan) Inc. | 209 |
7 |
| Midwest Energy Emissions Corp. | 26 |
7 |
| Société des Produits Nestlé S.A. | 9672 |
6 |
| IFP Energies Nouvelles | 2717 |
6 |
| NOx II, Ltd. | 50 |
6 |
| University of Central Florida Research Foundation, Inc. | 1098 |
6 |
| The Procter & Gamble Company | 22178 |
5 |
| Uop LLC | 4083 |
5 |
| AFI Licensing LLC | 204 |
5 |
| The Clorox Company | 973 |
5 |
| Indian Oil Corporation Limited | 329 |
5 |
| Johnson Matthey Public Limited Company | 1852 |
5 |
| Korea Electric Power Corporation | 467 |
5 |
| Other owners | 412 |