Patent holdings for IPC class C01B 39/20

Total number of patents in this class: 153

10-year publication summary

12
12
10
8
11
9
5
12
9
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13744
21
King Abdullah University of Science and Technology
1821
15
Aramco Services Company
4129
8
Uop LLC
4259
7
Centre National de La Recherche Scientifique
10760
6
Arkema France
4172
6
IFP Energies Nouvelles
3001
6
Chevron U.S.A. Inc.
4018
5
Tosoh Corporation
1352
5
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
683
4
W. R. Grace & Co.-Conn.
300
4
Ecole Nationale Supérieure d'Ingénieurs de Caen
63
4
Universite de Caen Normandie
122
4
Exelus, Inc.
31
3
Khalifa University of Science and Technology
395
3
ExxonMobil Research And Engineering Company
2518
2
BASF Corporation
1703
2
NGK Insulators, Ltd.
5174
2
Admatechs Company Limited
87
2
Ohio State Innovation Foundation
2251
2
Other owners 42