- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 43/23 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
Patent holdings for IPC class C07C 43/23
Total number of patents in this class: 789
10-year publication summary
|
60
|
66
|
53
|
61
|
52
|
41
|
52
|
40
|
41
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3624 |
32 |
| Kaneka Corporation | 4713 |
20 |
| The University of British Columbia | 1546 |
18 |
| British Columbia Cancer Agency Branch | 182 |
16 |
| Taoka Chemical Co., Ltd. | 60 |
16 |
| Ajinomoto Co., Inc. | 2281 |
12 |
| FUJIFILM Corporation | 30516 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
11 |
| Honshu Chemical Industry Co., Ltd. | 191 |
10 |
| Rhodia Operations | 1491 |
10 |
| Life Technologies Corporation | 3454 |
9 |
| DIC Corporation | 3965 |
8 |
| Takasago International Corporation | 405 |
8 |
| Univation Technologies, LLC | 615 |
8 |
| Firmenich SA | 1761 |
7 |
| Givaudan SA | 1974 |
7 |
| Teijin Limited | 1285 |
7 |
| Tokuyama Corporation | 1481 |
7 |
| Unigen, Inc. | 103 |
7 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1354 |
7 |
| Other owners | 558 |