Patent holdings for IPC class C07C 51/21

Total number of patents in this class: 83

10-year publication summary

6
8
7
5
1
1
4
4
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Uop LLC
4083
9
Mitsubishi Chemical Corporation
4313
6
LG Chem, Ltd.
17205
5
Eastman Chemical Company
2239
5
Boreskov Institute of Catalysis
24
4
BASF SE
19740
3
Corporation de l'École Polytechnique de Montréal
103
3
ALPEK POLYESTER, S.A. de C.V.
167
3
Rohm and Haas Company
2805
2
Mitsubishi Rayon Co., Ltd.
1003
2
BP Corporation North America Inc.
776
2
Grupo Petrotemex, S.A. de C.V.
72
2
JBACH GmbH
4
2
The Lubrizol Corporation
1335
2
Nippon Kayaku Kabushiki Kaisha
1400
2
Snu R&db Foundation
580
2
Shell USA, Inc.
1074
2
Siemens AG
24990
1
Evonik Industries AG
225
1
BASF AG
1258
1
Other owners 24