- All sections
- D - Textilespaper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbonsapparatus specially adapted for the manufacture of carbon filaments
- D01F 1/04 - Pigments
Patent holdings for IPC class D01F 1/04
Total number of patents in this class: 229
10-year publication summary
|
8
|
17
|
25
|
17
|
23
|
17
|
18
|
21
|
19
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2209 |
14 |
| Aladdin Manufacturing Corporation | 226 |
8 |
| Polytex Sportbeläge Produktions-GmbH | 110 |
7 |
| DSM IP Assets B.V. | 5553 |
5 |
| Kaneka Corporation | 4600 |
5 |
| Amogreentech Co., Ltd. | 618 |
5 |
| Lanxess Deutschland GmbH | 1110 |
5 |
| Lenzing Aktiengesellschaft | 517 |
5 |
| The Procter & Gamble Company | 21993 |
3 |
| BASF SE | 21080 |
3 |
| E. I. du Pont de Nemours and Company | 3922 |
3 |
| Kimberly-clark Worldwide, Inc. | 5407 |
3 |
| Nitto Denko Corporation | 8352 |
3 |
| Toray Advanced Materials Korea Inc. | 269 |
3 |
| Bundesdruckerei GmbH | 996 |
3 |
| Foss, Stephen W. | 5 |
3 |
| North Carolina State University | 1579 |
3 |
| Rhodia Acetow GmbH | 31 |
3 |
| Southern Mills, Inc. | 135 |
3 |
| TheUnseen Limited | 19 |
3 |
| Other owners | 139 |