- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 222/16 - Esters having free carboxylic acid groups
Patent holdings for IPC class C08F 222/16
Total number of patents in this class: 40
10-year publication summary
|
4
|
4
|
0
|
3
|
5
|
3
|
2
|
1
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6134 |
3 |
| All-plus Chemical Co., Ltd. | 5 |
3 |
| Corning Incorporated | 10532 |
2 |
| Zeon Corporation | 4169 |
2 |
| Kzj New Materials Group Co., Ltd. | 53 |
2 |
| BASF SE | 21328 |
1 |
| LG Chem, Ltd. | 17967 |
1 |
| Merck Patent GmbH | 5742 |
1 |
| FUJIFILM Corporation | 30653 |
1 |
| Dow Global Technologies Inc. | 636 |
1 |
| PPG Industries Ohio, Inc. | 3322 |
1 |
| a et a Mader | 27 |
1 |
| Beijing University of Chemical Technology | 334 |
1 |
| Celanese Emulsions GmbH | 36 |
1 |
| China Petroleum & Chemical Corporation | 2173 |
1 |
| Construction Research & Technology GmbH | 599 |
1 |
| Denka Company Limited | 2757 |
1 |
| Dongguan Amperex Technology Limited | 308 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1459 |
1 |
| Institute of Chemistry, Chinese Academy of Sciences | 238 |
1 |
| Other owners | 13 |