- 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 11/14 - Nitrogen-containing compounds
Patent holdings for IPC class C23F 11/14
Total number of patents in this class: 629
10-year publication summary
42
|
60
|
51
|
50
|
49
|
59
|
53
|
29
|
47
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ecolab USA Inc. | 5190 |
92 |
Kurita Water Industries Ltd. | 1110 |
24 |
Halliburton Energy Services, Inc. | 20165 |
20 |
Championx USA Inc. | 250 |
20 |
Shikoku Chemicals Corporation | 78 |
14 |
ArcelorMittal | 1887 |
13 |
Instituto Mexicano Del Petroleo | 213 |
9 |
BL Technologies, Inc. | 831 |
8 |
ChemTreat, Inc. | 198 |
8 |
Nalco Company | 620 |
8 |
NCH Corporation | 266 |
8 |
Stepan Company | 567 |
8 |
Baker Hughes Holdings LLC | 3060 |
8 |
Schlumberger Technology Corporation | 9690 |
7 |
Henkel AG & Co. KGaA | 10129 |
7 |
Clariant International Ltd. | 978 |
7 |
King Fahd University of Petroleum and Minerals | 779 |
7 |
Saudi Arabian Oil Company | 11322 |
7 |
Dorf Ketal Chemicals FZE | 238 |
7 |
Akzo Nobel Chemicals International B.V. | 520 |
6 |
Other owners | 341 |