- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/44 - Palladium
Patent holdings for IPC class B01J 23/44
Total number of patents in this class: 2461
10-year publication summary
197
|
194
|
207
|
175
|
185
|
177
|
199
|
152
|
156
|
11
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Johnson Matthey Public Limited Company | 1852 |
172 |
Umicore AG & Co. KG | 860 |
117 |
BASF Corporation | 1823 |
84 |
Cataler Corporation | 563 |
76 |
Toyota Motor Corporation | 30455 |
67 |
BASF Mobile Emissions Catalysts LLC | 257 |
63 |
BASF SE | 20432 |
35 |
Uop LLC | 4188 |
33 |
Chevron U.S.A. Inc. | 3856 |
29 |
N.E. Chemcat Corporation | 187 |
28 |
IFP Energies Nouvelles | 2829 |
27 |
Mitsui Mining & Smelting Co., Ltd. | 1426 |
22 |
Shell Internationale Research Maatschappij B.V. | 3722 |
20 |
DSM IP Assets B.V. | 5802 |
19 |
Umicore Shokubai Japan Co., Ltd. | 78 |
19 |
LG Chem, Ltd. | 17639 |
18 |
Dow Global Technologies LLC | 10156 |
18 |
GM Global Technology Operations LLC | 14260 |
17 |
China Petroleum & Chemical Corporation | 1783 |
17 |
Clariant International Ltd. | 954 |
17 |
Other owners | 1563 |