- 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 11/02 - Chemical after-treatment of man-made filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins
Patent holdings for IPC class D01F 11/02
Total number of patents in this class: 93
10-year publication summary
|
6
|
7
|
6
|
9
|
10
|
2
|
7
|
6
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 500 |
9 |
| Bolt Threads, Inc. | 148 |
5 |
| Evrnu, SPC | 15 |
3 |
| Lin, Chih-hsin | 17 |
3 |
| Kao Corporation | 5112 |
2 |
| Depuy Synthes Products, LLC | 2778 |
2 |
| Eastman Chemical Company | 2109 |
2 |
| Kolon Industries, Inc. | 1860 |
2 |
| KT & G Corporation | 3176 |
2 |
| smartpolymer GmbH | 22 |
2 |
| Suzhou Institute of Nano-tech and Nano-bionics (sinano), Chinese Academy of Sciences | 178 |
2 |
| IP Ventures GmbH | 5 |
2 |
| Tree to Textile AB | 4 |
2 |
| Centre National de La Recherche Scientifique | 11133 |
1 |
| Corning Incorporated | 10558 |
1 |
| The Johns Hopkins University | 5957 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2875 |
1 |
| Board of Trustees of Michigan State University | 1242 |
1 |
| China Textile Academy | 15 |
1 |
| City University of Hong Kong | 968 |
1 |
| Other owners | 48 |