- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 303/16 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups
Patent holdings for IPC class C07C 303/16
Total number of patents in this class: 29
10-year publication summary
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2
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2
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2
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0
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0
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4
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2
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0
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3
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21131 |
4 |
| Evonik Operations GmbH | 4229 |
4 |
| FXi Inc. Limited | 9 |
3 |
| Evonik Degussa GmbH | 1425 |
2 |
| Centre National de La Recherche Scientifique | 10841 |
1 |
| Evonik Industries AG | 223 |
1 |
| University of Southern California | 2122 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2248 |
1 |
| Arkema France | 4177 |
1 |
| Kyushu University, National University Corporation | 1693 |
1 |
| National University Corporation Nagoya University | 817 |
1 |
| Saga University | 144 |
1 |
| Sichuan University | 599 |
1 |
| Universite de Nantes | 336 |
1 |
| The University of Tokyo | 4304 |
1 |
| Wacker Chemie AG | 2106 |
1 |
| Wanhua Chemical Group Co., Ltd. | 366 |
1 |
| Agc, Inc. | 5205 |
1 |
| The Commissariat a L'energie Atomique et Aux Energies Alternatives (CEA) | 65 |
1 |
| Tarim University | 10 |
1 |
| Other owners | 0 |