- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 23/28 - Aminocarboxylic acids
Patent holdings for IPC class C09K 23/28
Total number of patents in this class: 26
10-year publication summary
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0
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0
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1
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0
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1
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3
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5
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5
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5
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advansix Resins & Chemicals LLC | 303 |
3 |
| Schlumberger Technology Corporation | 11584 |
1 |
| Schlumberger Canada Limited | 7588 |
1 |
| Schlumberger Technology B.v. | 5282 |
1 |
| Tsinghua University | 6128 |
1 |
| Ajinomoto Co., Inc. | 2275 |
1 |
| Asahi Group Foods, Ltd. | 40 |
1 |
| Asahi Group Holdings, Ltd. | 465 |
1 |
| Asahi Kasei Finechem Co., Ltd. | 11 |
1 |
| Innospec Active Chemicals LLC | 22 |
1 |
| Ohio Soybean Council | 14 |
1 |
| Services Petroliers Schlumberger | 5996 |
1 |
| University of Groningen | 8 |
1 |
| PRODOTTI GIANNI S.r.l. | 17 |
1 |
| Surfactgreen | 22 |
1 |
| Suzhou Oulit Biopharm Co., Ltd | 14 |
1 |
| Jiangsu Oji Biotech Co., Ltd. | 4 |
1 |
| Specialty Operations France | 894 |
1 |
| Yueyang Secco Roeder Chemical Industry Co., Ltd. jointly | 1 |
1 |
| Advanced Environmental R&D Limited | 1 |
1 |
| Other owners | 4 |