Patent holdings for IPC class B01J 31/26

Total number of patents in this class: 281

10-year publication summary

28
28
24
34
9
14
15
9
14
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1864
10
Chevron U.S.A. Inc.
4162
8
The Procter & Gamble Company
21859
7
Sumitomo Chemical Company, Limited
8969
5
IFP Energies Nouvelles
3110
5
LG Chem, Ltd.
17956
4
National Institute of Advanced Industrial Science and Technology
3791
4
Braskem America, Inc.
243
4
Celanese International Corporation
912
4
The Trustees of Princeton University
1272
4
Shell USA, Inc.
1341
4
Centre National de La Recherche Scientifique
11077
3
Hamilton Sundstrand Corporation
5013
3
Lotte Chemical Corporation
791
3
Maruzen Petrochemical Co., Ltd.
186
3
Reliance Industries Limited
462
3
SK Innovation Co., Ltd.
1490
3
Tianjin University
912
3
E. I. du Pont de Nemours and Company
3473
2
ExxonMobil Research And Engineering Company
2398
2
Other owners 197