- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/28 - Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group
Patent holdings for IPC class C07C 67/28
Total number of patents in this class: 61
10-year publication summary
|
4
|
4
|
4
|
1
|
4
|
3
|
0
|
2
|
4
|
0
|
| 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. | 3543 |
3 |
| FUJIFILM Corporation | 30010 |
2 |
| Daikin Industries, Ltd. | 10214 |
2 |
| Asahi Glass Company, Limited | 2710 |
2 |
| Auterra, Inc. | 41 |
2 |
| Genfit | 283 |
2 |
| Guangzhou Insighter Biotechnology Co., Ltd. | 50 |
2 |
| Solvias AG | 31 |
2 |
| Sun Chemical B.V. | 368 |
2 |
| Unither Pharmaceuticals | 36 |
2 |
| Shanghai Xin Hao Biological Technology Company | 4 |
2 |
| The Regents of the University of California | 20355 |
1 |
| Centre National de La Recherche Scientifique | 10801 |
1 |
| California Institute of Technology | 4006 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6594 |
1 |
| Mitsubishi Chemical Corporation | 4661 |
1 |
| JSR Corporation | 2546 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2238 |
1 |
| China Petroleum & Chemical Corporation | 1993 |
1 |
| Cytec Surface Specialties S.A. | 41 |
1 |
| Other owners | 29 |