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  • All sections
  • B - Performing operationstransporting
  • B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
  • B01J 38/02 - Heat treatment

Patent holdings for IPC class B01J 38/02

Total number of patents in this class: 467

10-year publication summary

21
25
35
37
28
32
48
38
44
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Uop LLC
4207
36
Dow Global Technologies LLC
10341
28
Chevron Phillips Chemical Company LP
1832
18
ExxonMobil Research And Engineering Company
2594
14
Saudi Arabian Oil Company
12833
14
ExxonMobil Chemical Patents Inc.
4027
13
IFP Energies Nouvelles
2888
11
Korea Research Institute of Chemical Technology
1373
9
BASF SE
20758
8
Chevron U.S.A. Inc.
3922
8
Aramco Services Company
3904
6
Catalyst Recovery Europe S.A.
6
6
Johnson Matthey Public Limited Company
1861
5
Nippon Kayaku Kabushiki Kaisha
1430
5
Virent, Inc.
125
5
Mitsubishi Power, Ltd.
1758
5
Shell Internationale Research Maatschappij B.V.
3545
4
The Chugoku Electric Power Co., Inc.
514
4
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
664
4
Exelus, Inc.
31
4
Other owners 260

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