- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/313 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
Patent holdings for IPC class C07C 67/313
Total number of patents in this class: 130
10-year publication summary
|
21
|
11
|
7
|
9
|
11
|
11
|
10
|
10
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ihara Chemical Industry Co., Ltd. | 79 |
6 |
| Central Glass Company, Limited | 1244 |
5 |
| Genentech, Inc. | 3742 |
3 |
| Sumitomo Chemical Company, Limited | 8808 |
3 |
| API Corporation | 211 |
3 |
| Celgene Corporation | 1412 |
3 |
| Firmenich SA | 1612 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| Novamont S.p.A. | 354 |
3 |
| Mitsubishi Chemical UK Limited | 106 |
3 |
| FUJIFILM Corporation | 27102 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Henkel AG & Co. KGaA | 10129 |
2 |
| Akzo Nobel Coatings International B.V. | 2185 |
2 |
| Council of Scientific & Industrial Research | 1397 |
2 |
| Esperion Therapeutics, Inc. | 58 |
2 |
| Hebei University of Science and Technology | 31 |
2 |
| Heliae Development, LLC | 174 |
2 |
| Kumiai Chemical Industry Co., Ltd. | 307 |
2 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
2 |
| Other owners | 75 |