Patent holdings for IPC class C07C 2/66

Total number of patents in this class: 547

10-year publication summary

40
36
34
22
11
17
9
9
11
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
3942
135
Uop LLC
4259
112
Badger Licensing LLC
68
25
FINA Technology, Inc.
511
22
SABIC Global Technologies B.V.
4405
20
Saudi Basic Industries Corporation
545
16
China Petroleum & Chemical Corporation
1955
11
Chevron U.S.A. Inc.
4020
9
ExxonMobil Chemical Ltd
16
8
CEPSA Quimica, S.A.
57
7
ExxonMobil Research And Engineering Company
2537
6
Stone & Webster Process Technology, Inc.
30
6
Catalytic Distillation Technologies
114
5
Chevron Phillips Chemical Company LP
1855
5
Shanghai Research Institute of Petrochemical Technology Sinopec
264
5
Versalis S.P.A.
547
5
E. I. du Pont de Nemours and Company
3885
4
IFP Energies Nouvelles
2983
4
PetroChina Company Limited
726
4
Polimeri Europa S.p.A.
69
4
Other owners 134