- 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: 613
10-year publication summary
|
32
|
51
|
58
|
47
|
52
|
42
|
41
|
31
|
45
|
24
|
| 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. | 5685 |
72 |
| FUJIFILM Corporation | 29543 |
48 |
| Terumo Kabushiki Kaisha | 5583 |
25 |
| Tokyo Ohka Kogyo Co., Ltd. | 1549 |
25 |
| JSR Corporation | 2525 |
22 |
| LG Chem, Ltd. | 17644 |
16 |
| 3m Innovative Properties Company | 17795 |
15 |
| BASF SE | 20979 |
9 |
| The Regents of the University of California | 20059 |
9 |
| University of Massachusetts | 2235 |
9 |
| The Procter & Gamble Company | 22000 |
8 |
| Mitsubishi Chemical Corporation | 4538 |
7 |
| FUJIFILM Manufacturing Europe B.V. | 261 |
7 |
| Rhodia Operations | 1587 |
7 |
| Silq Technologies Corporation | 12 |
7 |
| Sumitomo Chemical Company, Limited | 9047 |
6 |
| BL Technologies, Inc. | 836 |
6 |
| Central Glass Company, Limited | 1271 |
6 |
| DuPont Electronic Materials International, LLC | 429 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43258 |
5 |
| Other owners | 298 |