Patent holdings for IPC class B01J 23/883

Total number of patents in this class: 663

10-year publication summary

45
44
48
38
34
34
55
28
27
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2893
70
Shell Internationale Research Maatschappij B.V.
3544
52
Shell USA, Inc.
1190
37
Shell Oil Company
2141
36
China Petroleum & Chemical Corporation
1869
20
Saudi Arabian Oil Company
12858
20
Chevron U.S.A. Inc.
3929
18
Advanced Refining Technologies LLC
59
16
Neste Oyj
779
16
ExxonMobil Research And Engineering Company
2592
15
Research Institute of Petroleum Processing, Sinopec
371
9
SK Innovation Co., Ltd.
1298
9
Uop LLC
4209
8
ENI S.p.A.
1256
8
BASF SE
20777
7
Hindustan Petroleum Corporation Limited
208
7
Instituto Mexicano Del Petroleo
219
7
Eurecat S.A.
87
6
JGC Catalysts and Chemicals Ltd.
252
6
Catalyst Recovery Europe S.A.
6
6
Other owners 290