Patent holdings for IPC class C07C 31/27

Total number of patents in this class: 73

10-year publication summary

8
2
3
1
6
8
5
4
8
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Eastman Chemical Company
2239
8
Hanwha Solutions Corporation
572
7
Mitsubishi Chemical Corporation
4313
4
Mitsubishi Gas Chemical Company, Inc.
3188
3
SK Chemicals Co., Ltd.
568
3
Evonik Oxeno GmbH & Co. KG
278
3
BASF SE
19740
2
Hitachi Chemical Company, Ltd.
2455
2
Dow Global Technologies Inc.
1055
2
National Institute of Advanced Industrial Science and Technology
3677
2
Hanwha Chemical Corporation
325
2
KH Neochem Co., Ltd.
51
2
Lotte Chemical Corporation
591
2
Hanwha General Chemicals Co., Ltd.
3
2
Merck Patent GmbH
5909
1
Centre National de La Recherche Scientifique
9632
1
Evonik Degussa GmbH
1574
1
Idemitsu Kosan Co., Ltd.
3995
1
Purdue Research Foundation
3277
1
Amyris, Inc.
368
1
Other owners 23