Patent holdings for IPC class C01B 39/20

Total number of patents in this class: 155

10-year publication summary

12
12
10
8
11
9
5
12
9
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13839
21
King Abdullah University of Science and Technology
1825
15
Aramco Services Company
4154
8
Uop LLC
4275
7
Centre National de La Recherche Scientifique
10802
6
Arkema France
4166
6
IFP Energies Nouvelles
3007
6
Chevron U.S.A. Inc.
4040
5
Tosoh Corporation
1355
5
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
685
4
W. R. Grace & Co.-Conn.
302
4
Ecole Nationale Supérieure d'Ingénieurs de Caen
64
4
Universite de Caen Normandie
123
4
Exelus, Inc.
31
3
Khalifa University of Science and Technology
402
3
ExxonMobil Research And Engineering Company
2498
2
BASF Corporation
1695
2
NGK Insulators, Ltd.
5203
2
Admatechs Company Limited
87
2
Ohio State Innovation Foundation
2263
2
Other owners 44