Patent holdings for IPC class B01J 23/883

Total number of patents in this class: 669

10-year publication summary

41
41
46
34
32
33
47
28
27
20
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2952
70
Shell Internationale Research Maatschappij B.V.
3553
52
Shell USA, Inc.
1235
37
Shell Oil Company
2138
36
Saudi Arabian Oil Company
13349
21
China Petroleum & Chemical Corporation
1908
20
Chevron U.S.A. Inc.
3984
18
Neste Oyj
783
17
Advanced Refining Technologies LLC
59
16
ExxonMobil Research And Engineering Company
2562
15
Uop LLC
4241
10
Research Institute of Petroleum Processing, Sinopec
374
9
SK Innovation Co., Ltd.
1357
9
ENI S.p.A.
1272
8
Hindustan Petroleum Corporation Limited
221
8
BASF SE
20979
7
Eurecat S.A.
90
6
Instituto Mexicano Del Petroleo
222
6
JGC Catalysts and Chemicals Ltd.
254
6
Catalyst Recovery Europe S.A.
6
6
Other owners 292