- 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: 1088
10-year publication summary
|
81
|
77
|
73
|
72
|
55
|
58
|
57
|
62
|
48
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21150 |
23 |
| Clariant Finance (BVI) Limited | 373 |
18 |
| Bracco Imaging S.p.A. | 307 |
10 |
| Les Laboratoires Servier | 502 |
10 |
| Novartis AG | 10327 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5966 |
9 |
| DSM IP Assets B.V. | 5432 |
9 |
| Celgene Corporation | 1399 |
9 |
| Clariant International Ltd. | 888 |
9 |
| GE Healthcare AS | 207 |
9 |
| Theravance Biopharma R&D IP, LLC | 425 |
9 |
| Evonik Operations GmbH | 4261 |
9 |
| Agro-kanesho Co., Ltd. | 50 |
8 |
| Chubu University Educational Foundation | 100 |
8 |
| AMOREPACIFIC Corporation | 2889 |
7 |
| FMC Corporation | 811 |
7 |
| Saudi Arabian Oil Company | 13948 |
7 |
| Shanghai Institute of Pharmaceutical Industry | 127 |
7 |
| Shenzhen Dikeman Biotechnology Co., Ltd. | 10 |
7 |
| Kaneka Corporation | 4640 |
6 |
| Other owners | 898 |