Patent holdings for IPC class C07C 31/04

Total number of patents in this class: 689

10-year publication summary

21
22
53
65
50
65
59
60
71
20
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Topsoe A/S
732
32
SABIC Global Technologies B.V.
4044
27
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3515
21
Haldor Topsøe A/S
698
21
NGK Insulators, Ltd.
4589
20
Johnson Matthey Davy Technologies Limited
216
20
University of Southern California
2016
14
Mitsubishi Heavy Industries, Ltd.
8217
11
Sumitomo Chemical Company, Limited
8808
10
Mitsui Chemicals, Inc.
3134
10
Casale SA
572
10
Eastman Chemical Company
2239
10
Johnson Matthey Public Limited Company
1852
10
Chevron Phillips Chemical Company LP
1779
8
Gascontec GmbH
31
8
BASF SE
19740
7
Siemens AG
24990
7
Andritz Oy
276
7
BP Chemicals Limited
112
7
Mitsubishi Gas Chemical Company, Inc.
3188
7
Other owners 422