- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/36 - Compounds of titanium
Patent holdings for IPC class C09C 1/36
Total number of patents in this class: 970
10-year publication summary
|
52
|
53
|
50
|
49
|
38
|
55
|
40
|
37
|
27
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kronos International, Inc. | 111 |
46 |
| Tronox LLC | 155 |
45 |
| E. I. du Pont de Nemours and Company | 3553 |
39 |
| Rohm and Haas Company | 2952 |
37 |
| The Chemours Company Fc, LLC | 1334 |
33 |
| BASF SE | 21313 |
28 |
| Ishihara Sangyo Kaisha, Ltd. | 659 |
21 |
| JGC Catalysts and Chemicals Ltd. | 260 |
14 |
| Dow Global Technologies LLC | 10919 |
13 |
| Merck Patent GmbH | 5725 |
12 |
| e Ink Corporation | 1550 |
11 |
| Omya International AG | 777 |
11 |
| PPG Industries Ohio, Inc. | 3330 |
10 |
| The Regents of the University of California | 20694 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 6063 |
9 |
| 3m Innovative Properties Company | 17497 |
8 |
| Sakai Chemical Industry Co., Ltd. | 282 |
8 |
| Huntsman P&A UK Limited | 16 |
8 |
| SWIMC, LLC | 2574 |
8 |
| Evonik Degussa GmbH | 1384 |
7 |
| Other owners | 593 |