- All sections
- D - Textiles; paper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbons; apparatus 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: 203
10-year publication summary
19
|
8
|
18
|
26
|
17
|
24
|
17
|
18
|
19
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Eastman Chemical Company | 2239 |
14 |
Aladdin Manufacturing Corporation | 194 |
7 |
Polytex Sportbeläge Produktions-GmbH | 84 |
6 |
DSM IP Assets B.V. | 5856 |
5 |
Amogreentech Co., Ltd. | 566 |
5 |
Lenzing Aktiengesellschaft | 529 |
5 |
TheUnseen Limited | 32 |
4 |
The Procter & Gamble Company | 22178 |
3 |
BASF SE | 19740 |
3 |
E. I. du Pont de Nemours and Company | 4345 |
3 |
Nitto Denko Corporation | 7879 |
3 |
Kaneka Corporation | 4445 |
3 |
Bundesdruckerei GmbH | 1024 |
3 |
Foss, Stephen W. | 5 |
3 |
Southern Mills, Inc. | 147 |
3 |
University of Central Florida Research Foundation, Inc. | 1098 |
3 |
Kimberly-clark Worldwide, Inc. | 5854 |
2 |
Kao Corporation | 4843 |
2 |
Toray Advanced Materials Korea Inc. | 222 |
2 |
The Trustees of Columbia University in the City of New York | 3440 |
2 |
Other owners | 122 |