Patent holdings for IPC class C07C 2/66

Total number of patents in this class: 529

10-year publication summary

37
35
23
12
17
10
9
11
11
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
3796
122
Uop LLC
4400
114
Badger Licensing LLC
65
22
FINA Technology, Inc.
490
22
SABIC Global Technologies B.V.
4570
20
Saudi Basic Industries Corporation
525
14
China Petroleum & Chemical Corporation
2140
14
Chevron U.S.A. Inc.
4128
9
CEPSA Quimica, S.A.
58
7
ExxonMobil Research And Engineering Company
2438
6
Stone & Webster Process Technology, Inc.
27
6
Catalytic Distillation Technologies
103
5
Shanghai Research Institute of Petrochemical Technology Sinopec
264
5
Versalis S.P.A.
529
5
Chevron Phillips Chemical Company LP
1866
4
IFP Energies Nouvelles
3094
4
PetroChina Company Limited
878
4
Polimeri Europa S.p.A.
56
4
Research Institute of Petroleum Processing, Sinopec
363
4
SK Innovation Co., Ltd.
1478
4
Other owners 134