- All sections
- C - Chemistrymetallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquersfilling pasteschemical paint or ink removersinkscorrecting fluidswoodstainspastes or solids for colouring or printinguse of materials therefor
- C09D 11/20 - Writing inks indelible
Patent holdings for IPC class C09D 11/20
Total number of patents in this class: 22
10-year publication summary
|
2
|
2
|
2
|
2
|
6
|
2
|
1
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sanford, L.P. | 923 |
5 |
| Societe BIC | 1024 |
4 |
| Mitsubishi Pencil Company, Limited | 766 |
3 |
| Purdue Research Foundation | 3715 |
2 |
| National Cancer Center | 332 |
2 |
| Centre National de La Recherche Scientifique | 10645 |
1 |
| Hewlett-Packard Development Company, L.P. | 25607 |
1 |
| Intel Corporation | 46455 |
1 |
| FUJIFILM Corporation | 29775 |
1 |
| Aktiebolaget SKF | 3009 |
1 |
| Universite de Haute Alsace | 150 |
1 |
| Other owners | 0 |