- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/889 - Manganese, technetium or rhenium
Patent holdings for IPC class B01J 23/889
Total number of patents in this class: 743
10-year publication summary
83
|
73
|
61
|
82
|
58
|
57
|
46
|
44
|
49
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BP p.l.c. | 498 |
30 |
Shell Internationale Research Maatschappij B.V. | 3792 |
19 |
BASF Corporation | 2039 |
17 |
Clariant International Ltd. | 978 |
15 |
BASF SE | 19740 |
14 |
Johnson Matthey Public Limited Company | 1852 |
12 |
SABIC Global Technologies B.V. | 4044 |
11 |
Murata Manufacturing Co., Ltd. | 22355 |
10 |
Clean Diesel Technologies, Inc. | 74 |
10 |
Saudi Basic Industries Corporation | 625 |
9 |
Sasol Technology (Proprietary) Limited | 250 |
9 |
Centre National de La Recherche Scientifique | 9632 |
8 |
NGK Insulators, Ltd. | 4589 |
8 |
Kyoto University | 2732 |
8 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
8 |
LG Chem, Ltd. | 17205 |
7 |
ExxonMobil Research And Engineering Company | 2830 |
7 |
ExxonMobil Chemical Patents Inc. | 4286 |
7 |
China Petroleum & Chemical Corporation | 1623 |
7 |
Velocys Technologies Limited | 70 |
7 |
Other owners | 520 |