- All sections
- C - Chemistry; metallurgy
- 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: 1054
10-year publication summary
|
76
|
81
|
81
|
77
|
73
|
72
|
55
|
58
|
58
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
20 |
| Clariant Finance (BVI) Limited | 427 |
18 |
| Les Laboratoires Servier | 599 |
13 |
| Theravance Biopharma R&D IP, LLC | 550 |
10 |
| Novartis AG | 11238 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
9 |
| DSM IP Assets B.V. | 5856 |
9 |
| Clariant International Ltd. | 978 |
9 |
| GE Healthcare AS | 246 |
9 |
| Evonik Operations GmbH | 3879 |
9 |
| Agro-kanesho Co., Ltd. | 47 |
8 |
| Bracco Imaging S.p.A. | 322 |
8 |
| Celgene Corporation | 1412 |
8 |
| Ajinomoto Co., Inc. | 2337 |
7 |
| AMOREPACIFIC Corporation | 2606 |
7 |
| API Corporation | 211 |
7 |
| Chubu University Educational Foundation | 90 |
7 |
| Shanghai Institute of Pharmaceutical Industry | 134 |
7 |
| AstraZeneca AB | 3042 |
6 |
| Syngenta Participations AG | 4970 |
6 |
| Other owners | 868 |