- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 23/42 - Ethers, e.g. polyglycol ethers of alcohols or phenols
Patent holdings for IPC class C09K 23/42
Total number of patents in this class: 76
10-year publication summary
|
0
|
0
|
0
|
0
|
0
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2
|
9
|
18
|
8
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10509 |
5 |
| Halliburton Energy Services, Inc. | 21006 |
2 |
| China Petroleum & Chemical Corporation | 1939 |
2 |
| Clariant International Ltd. | 928 |
2 |
| Deciem Beauty Group Inc. | 310 |
2 |
| Lubrizol Advanced Materials, Inc. | 951 |
2 |
| NOK Corporation | 2239 |
2 |
| San Nopco Ltd. | 32 |
2 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
2 |
| Sphere Fluidics Limited | 69 |
2 |
| Stepan Company | 574 |
2 |
| University of Wyoming | 371 |
2 |
| Streamline Innovations, Inc. | 64 |
2 |
| Evonik Operations GmbH | 4160 |
2 |
| Advanced Wetting Technologies Pty Ltd | 10 |
2 |
| Miyoutech Co., Ltd. | 5 |
2 |
| BASF SE | 21080 |
1 |
| Canon Inc. | 40862 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5745 |
1 |
| Nissin Chemical Industry Co., Ltd. | 109 |
1 |
| Other owners | 37 |