- 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: 91
10-year publication summary
|
6
|
7
|
6
|
9
|
10
|
2
|
7
|
6
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 504 |
9 |
| Bolt Threads, Inc. | 152 |
5 |
| Evrnu, SPC | 15 |
3 |
| Lin, Chih-hsin | 17 |
3 |
| Kao Corporation | 5061 |
2 |
| Depuy Synthes Products, LLC | 2779 |
2 |
| Kolon Industries, Inc. | 1823 |
2 |
| KT & G Corporation | 3092 |
2 |
| smartpolymer GmbH | 22 |
2 |
| Suzhou Institute of Nano-tech and Nano-bionics (sinano), Chinese Academy of Sciences | 177 |
2 |
| IP Ventures GmbH | 5 |
2 |
| Tree to Textile AB | 4 |
2 |
| Centre National de La Recherche Scientifique | 10976 |
1 |
| Corning Incorporated | 10488 |
1 |
| The Johns Hopkins University | 5863 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2822 |
1 |
| Board of Trustees of Michigan State University | 1211 |
1 |
| City University of Hong Kong | 951 |
1 |
| CollPlant Ltd. | 48 |
1 |
| ConvaTec Technologies Inc. | 256 |
1 |
| Other owners | 47 |