- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 303/00 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides
Patent holdings for IPC class C07C 303/00
Total number of patents in this class: 94
10-year publication summary
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3
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0
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3
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8
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4
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1
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1
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2
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Enanta Pharmaceuticals, Inc. | 429 |
4 |
| Chevron Oronite Company LLC | 573 |
3 |
| The Johns Hopkins University | 5709 |
3 |
| Central Glass Company, Limited | 1271 |
3 |
| Rhodia Operations | 1587 |
3 |
| BASF SE | 20979 |
2 |
| Janssen Pharmaceutica N.V. | 3369 |
2 |
| Arkema France | 4164 |
2 |
| Biophore India Pharmaceuticals Pvt. Ltd. | 78 |
2 |
| Dompe S.p.A. | 13 |
2 |
| The Lubrizol Corporation | 1293 |
2 |
| Nippon Shokubai Co., Ltd. | 1502 |
2 |
| SES Holdings Pte. Ltd | 64 |
2 |
| Specialty Operations France | 798 |
2 |
| LG Chem, Ltd. | 17644 |
1 |
| E. I. du Pont de Nemours and Company | 4012 |
1 |
| Boehringer Ingelheim International GmbH | 4642 |
1 |
| Merck Sharp & Dohme Limited | 45 |
1 |
| BASF AG | 204 |
1 |
| Medtronic MiniMed, Inc. | 1807 |
1 |
| Other owners | 54 |