• All sections
  • C - Chemistry; metallurgy
  • C07D - Heterocyclic compounds
  • C07D 305/06 - Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring atoms

Patent holdings for IPC class C07D 305/06

Total number of patents in this class: 294

10-year publication summary

23
13
21
25
20
30
20
26
16
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Changzhou Tronly Advanced Electronic Materials Co., Ltd.
75
12
Changzhou Tronly New Electronic Materials Co.,Ltd.
74
11
University of Pittsburgh - Of the Commonwealth System of Higher Education
3043
8
H. Lundbeck A/S
1249
8
BASF SE
20432
7
F. Hoffmann-La Roche AG
7942
6
Hoffmann-La Roche Inc.
3267
6
DIC Corporation
3669
6
The Salk Institute for Biological Studies
450
6
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.
196
6
Sanofi
3951
6
FUJIFILM Corporation
28805
5
Canopy Growth Corporation
262
5
Hubei Gurun Technology Co., Ltd
28
5
Syngenta Participations AG
3032
4
Iowa State University Research Foundation, Inc.
743
4
Taisho Pharmaceutical Co., Ltd.
862
4
Toyama Chemical Co., Ltd.
108
4
Vivace Therapeutics, Inc.
27
4
Grey Wolf Therapeutics Limited
16
4
Other owners 173