Patent holdings for IPC class C07C 49/403

Total number of patents in this class: 207

10-year publication summary

11
13
9
11
8
6
5
6
8
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
4286
71
DSM IP Assets B.V.
5856
12
INVISTA Technologies S.a.r.l.
450
6
Rhodia Operations
1645
5
Sumitomo Chemical Company, Limited
8808
4
Northwestern University
3112
3
Cap III B.V.
53
3
Daicel Corporation
2128
3
JX Nippon Oil & Energy Corporation
1019
3
Ube Industries, Ltd.
921
3
Xi'an Sunward Aeromat Co., Ltd
16
3
Yueyang Changde Chemical Industry Co., Ltd.
4
3
Shell Internationale Research Maatschappij B.V.
3792
2
Syngenta Participations AG
4970
2
Syngenta Limited
509
2
BASF AG
1258
2
Shell Oil Company
2196
2
Daicel Chemical Industries, Ltd.
288
2
Ecole Normale Superieure de Lyon
220
2
Kanto Kagaku Kabushiki Kaisha
88
2
Other owners 72