Patent holdings for IPC class C07C 51/12

Total number of patents in this class: 458

10-year publication summary

61
31
37
27
23
20
15
16
11
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Celanese International Corporation
915
136
Daicel Corporation
2405
59
LyondellBasell Acetyls, LLC
94
58
BP Chemicals Limited
86
28
Eastman Chemical Company
2212
23
INEOS Acetyls UK Limited
55
15
Lyondell Chemical Technology, L.P.
259
10
Johnson Matthey Davy Technologies Limited
393
7
Novomer, Inc.
212
7
BP p.l.c.
517
6
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
678
6
BASF SE
21072
5
Saudi Arabian Oil Company
13622
5
Chiyoda Corporation
398
4
Fudan University
706
4
Woodland Biofuels Inc.
6
4
Twelve Benefit Corporation
158
4
The Regents of the University of California
20268
3
Kellogg Brown & Root LLC
515
3
Korea Research Institute of Chemical Technology
1409
3
Other owners 68