- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/25 - Carboxylic acid hydrazides
Patent holdings for IPC class C08K 5/25
Total number of patents in this class: 240
10-year publication summary
|
12
|
16
|
25
|
21
|
28
|
17
|
13
|
14
|
21
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7233 |
24 |
| Otsuka Chemical Co., Ltd. | 285 |
14 |
| Total Marketing Services | 447 |
10 |
| Sumitomo Riko Company Limited | 1124 |
9 |
| BASF SE | 21151 |
7 |
| LG Chem, Ltd. | 17867 |
7 |
| Rohm and Haas Company | 2945 |
7 |
| PPG Industries Ohio, Inc. | 3350 |
7 |
| Polyplastics Co., Ltd. | 624 |
7 |
| Totalenergies Onetech | 1493 |
6 |
| Dow Global Technologies LLC | 10824 |
5 |
| Dow Silicones Corporation | 2072 |
4 |
| Peridot Print LLC | 1311 |
4 |
| Michelin Recherche et Technique S.A. | 2106 |
3 |
| Asahi Kasei Chemicals Corporation | 568 |
3 |
| Denka Company Limited | 2703 |
3 |
| Sika Technology AG | 2958 |
3 |
| 3m Innovative Properties Company | 17507 |
2 |
| E. I. du Pont de Nemours and Company | 3652 |
2 |
| Sumitomo Electric Industries, Ltd. | 16145 |
2 |
| Other owners | 111 |