Patent holdings for IPC class C07C 1/20

Total number of patents in this class: 1430

10-year publication summary

89
87
55
39
41
58
49
59
63
17
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Shell Internationale Research Maatschappij B.V.
3397
89
Uop LLC
4388
76
Shell Oil Company
2067
58
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
692
58
IFP Energies Nouvelles
3098
43
ExxonMobil Research And Engineering Company
2407
42
BASF SE
21318
39
China Petroleum & Chemical Corporation
2158
38
ExxonMobil Chemical Patents Inc.
3773
37
Total Research & Technology Feluy
438
36
Shanghai Research Institute of Petrochemical Technology Sinopec
259
29
Topsoe A/S
1053
26
Dow Global Technologies LLC
10968
24
Haldor Topsøe A/S
636
23
Compagnie Generale des Etablissements Michelin
4970
22
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4120
21
Chevron U.S.A. Inc.
4145
20
Sekisui Chemical Co., Ltd.
3623
20
California Institute of Technology
4039
19
Virent, Inc.
145
18
Other owners 692