- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/38 - Esters containing sulfur
Patent holdings for IPC class C08F 220/38
Total number of patents in this class: 590
10-year publication summary
|
33
|
51
|
60
|
49
|
55
|
42
|
39
|
31
|
44
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5455 |
70 |
| FUJIFILM Corporation | 28829 |
44 |
| Terumo Kabushiki Kaisha | 5399 |
25 |
| Tokyo Ohka Kogyo Co., Ltd. | 1504 |
24 |
| JSR Corporation | 2475 |
18 |
| LG Chem, Ltd. | 17643 |
16 |
| 3m Innovative Properties Company | 17969 |
14 |
| University of Massachusetts | 2197 |
9 |
| The Procter & Gamble Company | 22147 |
8 |
| BASF SE | 20421 |
8 |
| The Regents of the University of California | 19544 |
8 |
| Mitsubishi Chemical Corporation | 4453 |
7 |
| FUJIFILM Manufacturing Europe B.V. | 270 |
7 |
| Rhodia Operations | 1589 |
7 |
| Sumitomo Chemical Company, Limited | 8987 |
6 |
| BL Technologies, Inc. | 849 |
6 |
| Central Glass Company, Limited | 1244 |
6 |
| Silq Technologies Corporation | 12 |
6 |
| DuPont Electronic Materials International, LLC | 365 |
6 |
| Eastman Kodak Company | 3033 |
5 |
| Other owners | 290 |