- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/28 - Molybdenum
Patent holdings for IPC class B01J 23/28
Total number of patents in this class: 904
10-year publication summary
65
|
51
|
66
|
81
|
69
|
66
|
57
|
53
|
52
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NOVA Chemicals (International) S.A. | 717 |
38 |
Shell Internationale Research Maatschappij B.V. | 3792 |
37 |
Shell Oil Company | 2196 |
28 |
Saudi Arabian Oil Company | 11322 |
23 |
Asahi Kasei Chemicals Corporation | 809 |
22 |
IFP Energies Nouvelles | 2717 |
22 |
LG Chem, Ltd. | 17205 |
21 |
Shell USA, Inc. | 1074 |
21 |
Chevron U.S.A. Inc. | 3774 |
17 |
BASF SE | 19740 |
16 |
Uop LLC | 4083 |
15 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
12 |
ExxonMobil Research And Engineering Company | 2830 |
11 |
Mitsubishi Power, Ltd. | 1680 |
11 |
Arkema France | 3790 |
10 |
Korea Institute of Energy Research | 803 |
9 |
Centre National de La Recherche Scientifique | 9632 |
8 |
Archer Daniels Midland Company | 1164 |
8 |
Nova Chemicals Corporation | 330 |
8 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
7 |
Other owners | 560 |