- All sections
- C - Chemistry; metallurgy
- 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: 210
10-year publication summary
5
|
22
|
12
|
16
|
25
|
21
|
28
|
18
|
12
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
23 |
Total Marketing Services | 487 |
16 |
Otsuka Chemical Co., Ltd. | 286 |
12 |
Polyplastics Co., Ltd. | 563 |
9 |
Sumitomo Riko Company Limited | 962 |
9 |
PPG Industries Ohio, Inc. | 3430 |
7 |
LG Chem, Ltd. | 17205 |
6 |
BASF SE | 19740 |
5 |
Rohm and Haas Company | 2805 |
5 |
DSM IP Assets B.V. | 5856 |
3 |
Dow Global Technologies LLC | 10147 |
3 |
Michelin Recherche et Technique S.A. | 2328 |
3 |
Adeka Corporation | 1333 |
3 |
Asahi Kasei Chemicals Corporation | 809 |
3 |
Sika Technology AG | 2650 |
3 |
3m Innovative Properties Company | 18406 |
2 |
E. I. du Pont de Nemours and Company | 4345 |
2 |
Honeywell International Inc. | 13799 |
2 |
Sumitomo Electric Industries, Ltd. | 14131 |
2 |
Hewlett-Packard Development Company, L.P. | 28538 |
2 |
Other owners | 90 |