Patent holdings for IPC class C07C 27/00

Total number of patents in this class: 492

10-year publication summary

22
11
6
8
7
5
6
1
1
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shell USA, Inc.
1242
20
Topsoe A/S
948
16
Chevron U.S.A. Inc.
4007
14
Sasol Technology (Proprietary) Limited
219
13
Cosmo Oil Co., Ltd.
183
12
IFP Energies Nouvelles
2969
11
Inpex Corporation
141
11
Japan Oil, Gas and Metals National Corporation
189
11
Japan Petroleum Exploration Co., Ltd.
140
11
JX Nippon Oil & Energy Corporation
979
10
University of Southern California
2123
8
Nippon Kayaku Kabushiki Kaisha
1447
8
ExxonMobil Research And Engineering Company
2547
7
GYCO, Inc.
14
7
Sure Champion Investment Limited
50
7
Nippon Steel Engineering Co., Ltd.
200
6
Haldor Topsøe A/S
642
6
China Petroleum & Chemical Corporation
1939
5
ENI S.p.A.
1276
5
Expander Energy Inc.
56
5
Other owners 299