- 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: 1071
10-year publication summary
|
81
|
81
|
77
|
73
|
71
|
55
|
57
|
58
|
59
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20933 |
23 |
| Clariant Finance (BVI) Limited | 388 |
18 |
| Bracco Imaging S.p.A. | 315 |
10 |
| Les Laboratoires Servier | 542 |
10 |
| Theravance Biopharma R&D IP, LLC | 458 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5658 |
9 |
| DSM IP Assets B.V. | 5591 |
9 |
| Celgene Corporation | 1401 |
9 |
| Clariant International Ltd. | 937 |
9 |
| GE Healthcare AS | 224 |
9 |
| Evonik Operations GmbH | 4105 |
9 |
| Novartis AG | 10849 |
8 |
| Agro-kanesho Co., Ltd. | 48 |
8 |
| Chubu University Educational Foundation | 100 |
8 |
| Ajinomoto Co., Inc. | 2295 |
7 |
| AMOREPACIFIC Corporation | 2827 |
7 |
| API Corporation | 225 |
7 |
| Shanghai Institute of Pharmaceutical Industry | 129 |
7 |
| AstraZeneca AB | 2909 |
6 |
| Kaneka Corporation | 4522 |
6 |
| Other owners | 882 |