- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/22 - Oxides; Hydroxides of metals
Patent holdings for IPC class C08K 3/22
Total number of patents in this class: 8900
10-year publication summary
671
|
636
|
721
|
845
|
890
|
819
|
877
|
791
|
674
|
227
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Chem, Ltd. | 17205 |
194 |
3m Innovative Properties Company | 18406 |
142 |
Dow Global Technologies LLC | 10147 |
140 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
118 |
BASF SE | 19740 |
108 |
FUJIFILM Corporation | 27102 |
101 |
SHPP Global Technologies B.V. | 1045 |
82 |
Rohm and Haas Company | 2805 |
76 |
Bridgestone Corporation | 7067 |
68 |
Sumitomo Electric Industries, Ltd. | 14131 |
66 |
SABIC Global Technologies B.V. | 4044 |
65 |
Lotte Chemical Corporation | 591 |
61 |
Sekisui Chemical Co., Ltd. | 3159 |
61 |
Denka Company Limited | 2189 |
60 |
Sumitomo Chemical Company, Limited | 8808 |
59 |
Dow Silicones Corporation | 1664 |
59 |
PPG Industries Ohio, Inc. | 3430 |
58 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
56 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
56 |
DIC Corporation | 3597 |
55 |
Other owners | 7215 |