- 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 1/36 - Compounds of titanium
Patent holdings for IPC class C09C 1/36
Total number of patents in this class: 1018
10-year publication summary
|
89
|
77
|
52
|
53
|
49
|
49
|
38
|
55
|
37
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kronos International, Inc. | 105 |
48 |
| Tronox LLC | 177 |
48 |
| E. I. du Pont de Nemours and Company | 4345 |
41 |
| Rohm and Haas Company | 2805 |
40 |
| The Chemours Company Fc, LLC | 1107 |
32 |
| BASF SE | 19740 |
28 |
| Ishihara Sangyo Kaisha, Ltd. | 663 |
24 |
| Merck Patent GmbH | 5909 |
16 |
| Dow Global Technologies LLC | 10147 |
15 |
| JGC Catalysts and Chemicals Ltd. | 238 |
13 |
| The Regents of the University of California | 18943 |
11 |
| e Ink Corporation | 1411 |
11 |
| PPG Industries Ohio, Inc. | 3430 |
10 |
| Omya International AG | 816 |
10 |
| Sachtleben Chemie GmbH | 73 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
9 |
| Nanophase Technologies Corporation | 47 |
8 |
| Nissan Chemical Industries, Ltd. | 1822 |
8 |
| Sakai Chemical Industry Co., Ltd. | 266 |
8 |
| SWIMC, LLC | 2426 |
8 |
| Other owners | 620 |