Patent holdings for IPC class C07C 31/04

Total number of patents in this class: 794

10-year publication summary

22
53
65
50
67
60
62
82
76
42
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Topsoe A/S
876
41
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3932
30
SABIC Global Technologies B.V.
4288
27
Johnson Matthey Davy Technologies Limited
270
23
Haldor Topsøe A/S
662
21
NGK Insulators, Ltd.
4920
20
BASF SE
20777
16
Casale SA
605
14
Mitsubishi Heavy Industries, Ltd.
8647
11
Sumitomo Chemical Company, Limited
9009
11
Johnson Matthey Public Limited Company
1862
11
Mitsui Chemicals, Inc.
3197
10
University of Southern California
2104
10
Eastman Chemical Company
2254
10
Chevron Phillips Chemical Company LP
1833
9
Gascontec GmbH
34
9
Mitsubishi Gas Chemical Company, Inc.
3438
9
Linde GmbH
1254
9
Uop LLC
4209
8
ThyssenKrupp AG
3266
8
Other owners 487