- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/16 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms
Patent holdings for IPC class C07C 271/16
Total number of patents in this class: 306
10-year publication summary
|
25
|
23
|
20
|
26
|
16
|
16
|
15
|
24
|
19
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17842 |
9 |
| FUJIFILM Corporation | 29208 |
9 |
| Nitto Denko Corporation | 8170 |
8 |
| Showa Denko K.K. | 2276 |
7 |
| Bio-Pharm Solutions Co., Ltd. | 60 |
7 |
| Nissan Chemical Industries, Ltd. | 1729 |
7 |
| Covestro Deutschland AG | 2722 |
5 |
| Global Blood Therapeutics, Inc. | 183 |
5 |
| Sumitomo Chemical Company, Limited | 9002 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5587 |
4 |
| Board of Regents, The University of Texas System | 5745 |
4 |
| Canopy Growth Corporation | 219 |
4 |
| Emory University | 1618 |
4 |
| Olon S.p.A. | 113 |
4 |
| Trioptotec GmbH | 17 |
4 |
| Facebook Technologies, LLC | 788 |
4 |
| Envista | 4 |
4 |
| Boehringer Ingelheim International GmbH | 4701 |
3 |
| Mitsui Chemicals, Inc. | 3192 |
3 |
| The Trustees of Columbia University in the City of New York | 3558 |
3 |
| Other owners | 204 |