Patent holdings for IPC class C07C 49/403

Total number of patents in this class: 199

10-year publication summary

13
9
11
8
6
5
6
8
5
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
4000
70
DSM IP Assets B.V.
5595
9
INVISTA Technologies S.a.r.l.
415
5
Rhodia Operations
1586
5
Sumitomo Chemical Company, Limited
9046
4
BASF SE
20912
3
Northwestern University
3385
3
Cap III B.V.
58
3
JX Nippon Oil & Energy Corporation
999
3
Symrise AG
1721
3
Ube Industries, Ltd.
850
3
Xi'an Sunward Aeromat Co., Ltd
19
3
Yueyang Changde Chemical Industry Co., Ltd.
4
3
Shell Internationale Research Maatschappij B.V.
3551
2
Shell Oil Company
2141
2
Daicel Corporation
2337
2
Ecole Normale Superieure de Lyon
237
2
Kanto Kagaku Kabushiki Kaisha
87
2
Lupin Limited
434
2
Tohoku University
2776
2
Other owners 68