Patent holdings for IPC class C07D 301/19

Total number of patents in this class: 112

10-year publication summary

10
7
6
11
3
6
7
4
8
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Lyondell Chemical Technology, L.P.
292
17
Sumitomo Chemical Company, Limited
8808
16
Shell Internationale Research Maatschappij B.V.
3792
6
Wanhua Chemical Group Co., Ltd.
286
5
Shell Oil Company
2196
4
Zhejiang Ausun Pharmaceutical Co., Ltd.
27
4
Evonik Operations GmbH
3879
4
The Regents of the University of California
18943
3
Uop LLC
4083
3
Dow Global Technologies LLC
10147
3
Shell USA, Inc.
1074
3
Boehringer Ingelheim International GmbH
4629
2
Evonik Degussa GmbH
1574
2
China Petroleum & Chemical Corporation
1623
2
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
614
2
Repsol, S.A.
413
2
Research Institute of Petroleum Processing, Sinopec
387
2
ThyssenKrupp Industrial Solutions AG
729
2
Oriental Union Chemical Corp.
7
2
BASF SE
19740
1
Other owners 27