- All sections
- C - Chemistry; metallurgy
- 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: 65
10-year publication summary
|
3
|
2
|
5
|
8
|
4
|
1
|
6
|
2
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
3 |
| The Regents of the University of California | 18943 |
3 |
| ImmunoGen, Inc. | 405 |
3 |
| The United States Government AS represented by The Department of Veterans Affairs | 949 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Icahn School of Medicine at Mount Sinai | 859 |
2 |
| Queen's University at Kingston | 517 |
2 |
| The Research Foundation for The State University of New York | 1468 |
2 |
| ExxonMobil Research And Engineering Company | 2830 |
1 |
| Syngenta Limited | 509 |
1 |
| Bayer Cropscience AG | 2241 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| Abbvie Inc. | 1808 |
1 |
| Albireo AB | 157 |
1 |
| Alnylam Pharmaceuticals, Inc. | 1066 |
1 |
| Amira Pharmaceuticals, Inc. | 70 |
1 |
| Contech Enterprises Inc. | 12 |
1 |
| East China Normal University | 158 |
1 |
| Ecospray Limited | 9 |
1 |
| eOne Diagnomics Genome Center Co., Ltd. | 20 |
1 |
| Other owners | 33 |