- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 321/20 - Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing rings
Patent holdings for IPC class C07C 321/20
Total number of patents in this class: 74
10-year publication summary
|
2
|
5
|
8
|
3
|
1
|
7
|
2
|
5
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The United States Government AS represented by The Department of Veterans Affairs | 1205 |
6 |
| The Regents of the University of California | 20035 |
4 |
| BASF SE | 20961 |
3 |
| Icahn School of Medicine at Mount Sinai | 958 |
3 |
| ImmunoGen, Inc. | 399 |
3 |
| The Research Foundation for The State University of New York | 1631 |
3 |
| Hewlett-Packard Development Company, L.P. | 25829 |
2 |
| Queen's University at Kingston | 535 |
2 |
| V. Mane Fils | 160 |
2 |
| ExxonMobil Research And Engineering Company | 2564 |
1 |
| Syngenta Limited | 454 |
1 |
| Bayer Cropscience AG | 2030 |
1 |
| Mitsui Chemicals, Inc. | 3229 |
1 |
| Abbvie Inc. | 1799 |
1 |
| Albireo AB | 170 |
1 |
| Alnylam Pharmaceuticals, Inc. | 1143 |
1 |
| Amira Pharmaceuticals, Inc. | 70 |
1 |
| Contech Enterprises Inc. | 11 |
1 |
| East China Normal University | 185 |
1 |
| Ecospray Limited | 8 |
1 |
| Other owners | 35 |