Patent holdings for IPC class C01B 7/03

Total number of patents in this class: 102

10-year publication summary

9
17
11
3
12
6
6
5
3
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Purac Biochem B.V.
482
25
Carbonfree Chemicals Holdings, LLC
33
7
Albemarle Corporation
492
3
Energy and Environmental Research Center Foundation
36
3
ArcelorMittal
2285
2
FEI Company
943
2
Institute of Process Engineering, Chinese Academy of Sciences
294
2
Toho Titanium Co., Ltd.
252
2
Valmet Technologies Oy
288
2
Veolia Water Technologies, Inc.
77
2
Tessenderlo Group, NV
167
2
Metso Metals Oy
206
2
Honeywell International Inc.
13545
1
Centre National de La Recherche Scientifique
10418
1
Shin-Etsu Chemical Co., Ltd.
5658
1
Asahi Glass Company, Limited
2786
1
Australian BioRefining Pty Ltd
3
1
Bayer Technology Services GmbH
177
1
Beijing Zhongkaihongde Technology Co., Ltd.
23
1
CMI UVK GmbH
7
1
Other owners 40