Patent holdings for IPC class B01J 31/26

Total number of patents in this class: 268

10-year publication summary

21
27
28
28
24
34
9
14
15
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Chevron Phillips Chemical Company LP
1779
9
Chevron U.S.A. Inc.
3774
8
The Procter & Gamble Company
22178
7
Sumitomo Chemical Company, Limited
8808
6
LG Chem, Ltd.
17205
4
Braskem America, Inc.
177
4
Celanese International Corporation
879
4
Shell USA, Inc.
1074
4
Centre National de La Recherche Scientifique
9632
3
Hamilton Sundstrand Corporation
4525
3
National Institute of Advanced Industrial Science and Technology
3677
3
Japan Science and Technology Agency
1564
3
Council of Scientific & Industrial Research
1397
3
IFP Energies Nouvelles
2717
3
Lotte Chemical Corporation
591
3
Maruzen Petrochemical Co., Ltd.
171
3
Reliance Industries Limited
432
3
Tianjin University
695
3
The Trustees of Princeton University
1129
3
E. I. du Pont de Nemours and Company
4345
2
Other owners 187