Patent holdings for IPC class C07C 31/27

Total number of patents in this class: 88

10-year publication summary

3
1
6
8
5
4
9
9
7
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Chemical Corporation
4777
10
Eastman Chemical Company
2109
9
Hanwha Solutions Corporation
1236
7
Evonik Oxeno GmbH & Co. KG
363
5
Mitsubishi Gas Chemical Company, Inc.
3663
4
SK Chemicals Co., Ltd.
653
4
BASF SE
21334
2
Centre National de La Recherche Scientifique
11143
2
Dow Global Technologies Inc.
607
2
China National Petroleum Corporation
649
2
Ecole Nationale Superieure de Chimie de Rennes
59
2
Hanwha Chemical Corporation
305
2
Institut National des Sciences Appliquees de Rennes
79
2
KH Neochem Co., Ltd.
70
2
Lotte Chemical Corporation
798
2
Norwegian University of Science and Technology (ntnu)
194
2
Universite de Rennes 1
471
2
Hanwha General Chemicals Co., Ltd.
3
2
Evonik Degussa GmbH
1340
1
Hitachi Chemical Company, Ltd.
2217
1
Other owners 23