Patent holdings for IPC class C07C 29/151

Total number of patents in this class: 1112

10-year publication summary

66
50
63
94
74
91
104
118
118
73
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Topsoe A/S
1045
102
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4117
51
Haldor Topsøe A/S
636
43
Johnson Matthey Davy Technologies Limited
519
38
Casale SA
633
31
SABIC Global Technologies B.V.
4597
31
BP p.l.c.
536
25
BASF SE
21303
24
ExxonMobil Research And Engineering Company
2422
21
Enerkem Inc.
90
18
ThyssenKrupp AG
3409
18
Saudi Arabian Oil Company
14235
15
PCL Administration LLC
18
14
Siemens AG
24029
13
University of Southern California
2132
13
ENI S.p.A.
1305
13
Gascontec GmbH
40
13
ThyssenKrupp Uhde GmbH
379
12
Bridgestone Americas Tire Operations, LLC
1126
11
ThyssenKrupp Industrial Solutions AG
630
11
Other owners 595