- 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: 1116
10-year publication summary
|
81
|
77
|
73
|
72
|
55
|
58
|
58
|
63
|
49
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21318 |
24 |
| Clariant Finance (BVI) Limited | 346 |
17 |
| Evonik Operations GmbH | 4430 |
12 |
| Novartis AG | 10172 |
10 |
| Bracco Imaging S.p.A. | 317 |
10 |
| Celgene Corporation | 1408 |
10 |
| Les Laboratoires Servier | 498 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 6148 |
9 |
| DSM IP Assets B.V. | 5395 |
9 |
| Clariant International Ltd. | 893 |
9 |
| GE Healthcare AS | 201 |
9 |
| Agro-kanesho Co., Ltd. | 51 |
8 |
| Chubu University Educational Foundation | 99 |
8 |
| FMC Corporation | 815 |
8 |
| Specialty Operations France | 938 |
8 |
| Shenzhen Dikeman Biotechnology Co., Ltd. | 16 |
8 |
| AMOREPACIFIC Corporation | 2915 |
7 |
| Saudi Arabian Oil Company | 14390 |
7 |
| Shanghai Institute of Pharmaceutical Industry | 126 |
7 |
| FMC IP Technology GmbH | 188 |
7 |
| Other owners | 919 |