- 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 |