- All sections
- C - Chemistry; metallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties; preparation of carbon black
- C09C 1/04 - Compounds of zinc
Patent holdings for IPC class C09C 1/04
Total number of patents in this class: 354
10-year publication summary
23
|
22
|
27
|
27
|
18
|
18
|
18
|
17
|
15
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
20 |
M. Technique Co., Ltd. | 237 |
17 |
Sakai Chemical Industry Co., Ltd. | 266 |
12 |
3m Innovative Properties Company | 18406 |
10 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
9 |
E. I. du Pont de Nemours and Company | 4345 |
8 |
The Sweet Living Group, LLC | 21 |
8 |
International Business Machines Corporation | 60644 |
7 |
Evonik Degussa GmbH | 1574 |
7 |
The Chemours Company Fc, LLC | 1107 |
7 |
Societe Industrielle Liegeoise des Oxydes SA | 10 |
6 |
Merck Patent GmbH | 5909 |
5 |
Nanophase Technologies Corporation | 47 |
5 |
Sachtleben Chemie GmbH | 73 |
5 |
The Sherwin-Williams Company | 553 |
4 |
Engineered Polymer Solutions, Inc. (a Delaware corporation) | 160 |
4 |
Lanxess Deutschland GmbH | 1104 |
4 |
Nissan Chemical Industries, Ltd. | 1822 |
4 |
The Shepherd Color Company | 46 |
4 |
The Valspar Corporation | 166 |
4 |
Other owners | 204 |