- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir 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: 576
10-year publication summary
|
39
|
43
|
59
|
59
|
51
|
37
|
38
|
40
|
46
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sud-chemie AG | 157 |
11 |
| Arkema France | 4168 |
10 |
| Clariant International Ltd. | 934 |
9 |
| Active Minerals International, LLC | 46 |
8 |
| AMCOL International Corporation | 264 |
8 |
| Pioneer Pet Products, LLC | 131 |
8 |
| The Procter & Gamble Company | 22006 |
7 |
| Société des Produits Nestlé S.A. | 9330 |
7 |
| Specialty Minerals (Michigan) Inc. | 227 |
7 |
| University of Central Florida Research Foundation, Inc. | 1196 |
7 |
| The Clorox Company | 956 |
6 |
| NOx II, Ltd. | 48 |
6 |
| Zeochem LLC | 11 |
6 |
| Carbon Technology Holdings, LLC | 216 |
6 |
| BASF Corporation | 1719 |
5 |
| Uop LLC | 4246 |
5 |
| AFI Licensing LLC | 232 |
5 |
| Indian Oil Corporation Limited | 334 |
5 |
| Johnson Matthey Public Limited Company | 1873 |
5 |
| Birchtech Corp. | 23 |
5 |
| Other owners | 440 |