- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/02 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms
Patent holdings for IPC class C07C 309/02
Total number of patents in this class: 27
10-year publication summary
|
4
|
3
|
1
|
2
|
0
|
1
|
1
|
0
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4190 |
2 |
| JSR Corporation | 2565 |
2 |
| Alzheon, Inc. | 53 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3359 |
1 |
| International Business Machines Corporation | 62897 |
1 |
| Centre National de La Recherche Scientifique | 11164 |
1 |
| Sumitomo Chemical Company, Limited | 8992 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6186 |
1 |
| Dow Global Technologies LLC | 11106 |
1 |
| The Board of Trustees of the University of Illinois | 2769 |
1 |
| Hanall Biopharma Co., Ltd. | 90 |
1 |
| Hunan ASTAR Biotechnology Ltd. | 1 |
1 |
| Institut Polytechnique de Grenoble | 437 |
1 |
| The Research Foundation of State University of New York | 361 |
1 |
| San Jose State University Research Foundation | 34 |
1 |
| The University of British Columbia | 1567 |
1 |
| University of Kansas | 928 |
1 |
| University of North Carolina at Wilmington | 33 |
1 |
| The University of Toledo | 433 |
1 |
| Suven Sciences Limited | 1 |
1 |
| Other owners | 4 |