- All sections
- C - Chemistry; metallurgy
- C23F - Non-mechanical removal of metallic material from surfaces; inhibiting corrosion of metallic material; inhibiting incrustation in general; multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 1/24 - Acidic compositions for etching silicon or germanium
Patent holdings for IPC class C23F 1/24
Total number of patents in this class: 11
10-year publication summary
3
|
1
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0
|
0
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0
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0
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1
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1
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
DONGWOO FINE-CHEM Co., Ltd. | 1163 |
3 |
BASF SE | 19740 |
1 |
Changzhou Shichuang Energy Technology Co., Ltd. | 5 |
1 |
J.E.T. Co., Ltd. | 23 |
1 |
Specmat, Inc. | 7 |
1 |
Tokuyama Corporation | 1248 |
1 |
University-industry Cooperation Group of Kyung Hee University | 1078 |
1 |
BASF (China) Co., Ltd. | 755 |
1 |
Zhejiang Beyondsu PV Co., Ltd. | 1 |
1 |
Other owners | 0 |