Patent holdings for IPC class C01B 39/20

Total number of patents in this class: 164

10-year publication summary

12
13
10
8
12
9
5
18
11
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14398
24
King Abdullah University of Science and Technology
1874
17
Aramco Services Company
4190
8
Centre National de La Recherche Scientifique
11133
7
Uop LLC
4407
7
Arkema France
4232
6
IFP Energies Nouvelles
3125
6
Chevron U.S.A. Inc.
4180
5
Tosoh Corporation
1440
5
Ecole Nationale Supérieure d'Ingénieurs de Caen
66
5
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
689
4
W. R. Grace & Co.-Conn.
299
4
Universite de Caen Normandie
127
4
Exelus, Inc.
31
3
Khalifa University of Science and Technology
438
3
ExxonMobil Research And Engineering Company
2389
2
BASF Corporation
1682
2
NGK Insulators, Ltd.
5168
2
Admatechs Company Limited
109
2
Ohio State Innovation Foundation
2432
2
Other owners 46