Patent holdings for IPC class C07C 31/04

Total number of patents in this class: 815

10-year publication summary

22
53
65
50
67
60
62
82
76
63
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Topsoe A/S
892
43
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3976
30
SABIC Global Technologies B.V.
4335
27
Johnson Matthey Davy Technologies Limited
273
24
Haldor Topsøe A/S
659
21
NGK Insulators, Ltd.
4949
20
BASF SE
20926
17
Casale SA
608
14
Mitsubishi Heavy Industries, Ltd.
8712
12
Mitsubishi Gas Chemical Company, Inc.
3461
12
Sumitomo Chemical Company, Limited
9047
11
Johnson Matthey Public Limited Company
1851
11
Mitsui Chemicals, Inc.
3218
10
University of Southern California
2114
10
Eastman Chemical Company
2216
10
Chevron Phillips Chemical Company LP
1836
9
Gascontec GmbH
35
9
Linde GmbH
1261
9
Uop LLC
4244
8
ThyssenKrupp AG
3281
8
Other owners 500