- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 77/04 - Polyamides derived from alpha-amino carboxylic acids
Patent holdings for IPC class C08L 77/04
Total number of patents in this class: 219
10-year publication summary
|
5
|
13
|
15
|
20
|
21
|
12
|
13
|
25
|
14
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 4345 |
9 |
| BASF SE | 19740 |
7 |
| Covestro (Netherlands) B.V. | 312 |
7 |
| Arkema France | 3790 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| Societe d'Exploitation de Produits pour Les Industries Chimiques SEPPIC | 401 |
5 |
| CJ Cheiljedang Corporation | 2964 |
4 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2360 |
4 |
| Protip Medical | 19 |
4 |
| Universite de Strasbourg | 646 |
4 |
| The University of Tokyo | 3903 |
4 |
| Massachusetts Institute of Technology | 9795 |
3 |
| Japan Science and Technology Agency | 1564 |
3 |
| Ems-patent AG | 177 |
3 |
| Intezyne Technologies, Inc. | 59 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| The University of Akron | 674 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Evonik Degussa GmbH | 1574 |
2 |
| Other owners | 136 |