- 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
|
72
|
75
|
70
|
70
|
52
|
52
|
56
|
58
|
47
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21149 |
22 |
| Clariant Finance (BVI) Limited | 379 |
18 |
| Bracco Imaging S.p.A. | 314 |
10 |
| Les Laboratoires Servier | 518 |
10 |
| Novartis AG | 10481 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5856 |
9 |
| DSM IP Assets B.V. | 5472 |
9 |
| Celgene Corporation | 1392 |
9 |
| Clariant International Ltd. | 910 |
9 |
| GE Healthcare AS | 213 |
9 |
| Theravance Biopharma R&D IP, LLC | 442 |
9 |
| Evonik Operations GmbH | 4210 |
9 |
| Agro-kanesho Co., Ltd. | 48 |
8 |
| Chubu University Educational Foundation | 101 |
8 |
| Ajinomoto Co., Inc. | 2300 |
7 |
| AMOREPACIFIC Corporation | 2874 |
7 |
| FMC Corporation | 817 |
7 |
| Saudi Arabian Oil Company | 13839 |
7 |
| Shanghai Institute of Pharmaceutical Industry | 127 |
7 |
| Shenzhen Dikeman Biotechnology Co., Ltd. | 9 |
7 |
| Other owners | 894 |