- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/12 - Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of quaternary ammonium compounds
Patent holdings for IPC class C07C 209/12
Total number of patents in this class: 45
10-year publication summary
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7
|
2
|
0
|
3
|
1
|
2
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2
|
5
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1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stepan Company | 579 |
16 |
| Albemarle Corporation | 492 |
2 |
| Huntsman Petrochemical LLC | 294 |
2 |
| ITM Power (research) Limited | 29 |
2 |
| University of Durham | 121 |
2 |
| The Procter & Gamble Company | 22017 |
1 |
| International Business Machines Corporation | 61228 |
1 |
| Sumitomo Chemical Company, Limited | 9046 |
1 |
| Agency for Science, Technology and Research | 3620 |
1 |
| Central Glass Company, Limited | 1265 |
1 |
| Cornell University | 3306 |
1 |
| Galaxy Surfactants Ltd. | 45 |
1 |
| Hindustan Petroleum Corporation Limited | 210 |
1 |
| Huaneng Clean Energy Research Institute | 437 |
1 |
| Kolb Distribution Ltd. | 6 |
1 |
| Otsuka Chemical Co., Ltd. | 289 |
1 |
| Solvay Specialty Polymers Italy S.p.A. | 757 |
1 |
| Stella Chemifa Corporation | 119 |
1 |
| Toxsorb Ltd. | 7 |
1 |
| Yangtze University | 58 |
1 |
| Other owners | 6 |