Patent holdings for IPC class B01J 31/26

Total number of patents in this class: 273

10-year publication summary

27
28
28
24
34
9
14
15
9
0
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
1818
9
Chevron U.S.A. Inc.
3847
8
The Procter & Gamble Company
22165
7
Sumitomo Chemical Company, Limited
8976
5
LG Chem, Ltd.
17632
4
Braskem America, Inc.
192
4
Celanese International Corporation
911
4
The Trustees of Princeton University
1162
4
Shell USA, Inc.
1134
4
Centre National de La Recherche Scientifique
10068
3
Hamilton Sundstrand Corporation
4719
3
National Institute of Advanced Industrial Science and Technology
3730
3
Japan Science and Technology Agency
1418
3
IFP Energies Nouvelles
2818
3
Lotte Chemical Corporation
660
3
Maruzen Petrochemical Co., Ltd.
176
3
Reliance Industries Limited
435
3
Tianjin University
753
3
E. I. du Pont de Nemours and Company
4252
2
ExxonMobil Research And Engineering Company
2675
2
Other owners 193