Patent holdings for IPC class C07C 49/403

Total number of patents in this class: 198

10-year publication summary

13
9
11
8
6
5
6
8
5
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
4096
70
DSM IP Assets B.V.
5757
9
INVISTA Technologies S.a.r.l.
425
5
Rhodia Operations
1591
5
Sumitomo Chemical Company, Limited
9006
4
Northwestern University
3299
3
Cap III B.V.
52
3
JX Nippon Oil & Energy Corporation
1010
3
Ube Industries, Ltd.
874
3
Xi'an Sunward Aeromat Co., Ltd
18
3
Yueyang Changde Chemical Industry Co., Ltd.
4
3
Shell Internationale Research Maatschappij B.V.
3717
2
Shell Oil Company
2148
2
Daicel Chemical Industries, Ltd.
246
2
Daicel Corporation
2256
2
Ecole Normale Superieure de Lyon
227
2
Kanto Kagaku Kabushiki Kaisha
87
2
Lupin Limited
440
2
Symrise AG
1687
2
Tohoku University
2700
2
Other owners 69