- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
Patent holdings for IPC class C07C 231/02
Total number of patents in this class: 1084
10-year publication summary
|
74
|
72
|
75
|
70
|
70
|
52
|
52
|
56
|
58
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21087 |
23 |
| Clariant Finance (BVI) Limited | 382 |
18 |
| Bracco Imaging S.p.A. | 311 |
10 |
| Les Laboratoires Servier | 523 |
10 |
| Theravance Biopharma R&D IP, LLC | 453 |
10 |
| Novartis AG | 10623 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
9 |
| DSM IP Assets B.V. | 5562 |
9 |
| Celgene Corporation | 1412 |
9 |
| Clariant International Ltd. | 929 |
9 |
| GE Healthcare AS | 218 |
9 |
| Evonik Operations GmbH | 4172 |
9 |
| Agro-kanesho Co., Ltd. | 48 |
8 |
| Chubu University Educational Foundation | 101 |
8 |
| Ajinomoto Co., Inc. | 2310 |
7 |
| AMOREPACIFIC Corporation | 2849 |
7 |
| FMC Corporation | 832 |
7 |
| Saudi Arabian Oil Company | 13656 |
7 |
| Shanghai Institute of Pharmaceutical Industry | 128 |
7 |
| Kaneka Corporation | 4608 |
6 |
| Other owners | 893 |