- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/28 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring
Patent holdings for IPC class C07C 271/28
Total number of patents in this class: 318
10-year publication summary
|
30
|
25
|
17
|
27
|
17
|
17
|
18
|
16
|
22
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corteva Agriscience LLC | 2494 |
11 |
| Mitsui Chemicals, Inc. | 3134 |
10 |
| BASF SE | 19740 |
8 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
7 |
| Massachusetts Institute of Technology | 9795 |
6 |
| The General Hospital Corporation | 4517 |
6 |
| The Broad Institute, Inc. | 1584 |
6 |
| Covestro Deutschland AG | 2429 |
6 |
| Lanxess Deutschland GmbH | 1104 |
6 |
| Vectus Biosystems Limited | 36 |
6 |
| Xyzagen, Inc. | 12 |
6 |
| Bristol-myers Squibb Company | 5080 |
5 |
| Italfarmaco SpA | 137 |
5 |
| The Regents of the University of California | 18943 |
4 |
| Bayer MaterialScience AG | 874 |
4 |
| FUJIFILM Corporation | 27102 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
4 |
| Alma Mater Studiorum - Universita di Bologna | 376 |
4 |
| Arena Pharmaceuticals, Inc. | 381 |
4 |
| Bio-Pharm Solutions Co., Ltd. | 60 |
4 |
| Other owners | 202 |