Patent holdings for IPC class B01J 31/26

Total number of patents in this class: 284

10-year publication summary

27
27
26
24
33
9
14
15
9
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1842
9
Chevron U.S.A. Inc.
4011
8
The Procter & Gamble Company
21989
7
Sumitomo Chemical Company, Limited
9089
5
LG Chem, Ltd.
17686
4
National Institute of Advanced Industrial Science and Technology
3793
4
Braskem America, Inc.
203
4
Celanese International Corporation
913
4
IFP Energies Nouvelles
2968
4
The Trustees of Princeton University
1203
4
Shell USA, Inc.
1242
4
Centre National de La Recherche Scientifique
10641
3
Hamilton Sundstrand Corporation
4946
3
Japan Science and Technology Agency
1295
3
Lotte Chemical Corporation
734
3
Maruzen Petrochemical Co., Ltd.
187
3
Reliance Industries Limited
451
3
Tianjin University
825
3
E. I. du Pont de Nemours and Company
3935
2
ExxonMobil Research And Engineering Company
2551
2
Other owners 202