- 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: 80
10-year publication summary
|
8
|
6
|
7
|
6
|
9
|
9
|
2
|
7
|
6
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 522 |
12 |
| Bolt Threads, Inc. | 162 |
5 |
| Evrnu, SPC | 16 |
3 |
| Lin, Chih-hsin | 17 |
3 |
| Kao Corporation | 4962 |
2 |
| Depuy Synthes Products, LLC | 2802 |
2 |
| International Paper Company | 786 |
2 |
| smartpolymer GmbH | 22 |
2 |
| Centre National de La Recherche Scientifique | 10432 |
1 |
| Corning Incorporated | 10263 |
1 |
| The Johns Hopkins University | 5669 |
1 |
| Board of Trustees of Michigan State University | 1183 |
1 |
| City University of Hong Kong | 845 |
1 |
| CollPlant Ltd. | 48 |
1 |
| ConvaTec Technologies Inc. | 293 |
1 |
| Cordenka GmbH & Co. KG | 14 |
1 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 229 |
1 |
| Global Graphene Group, Inc. | 247 |
1 |
| Grasim Industries Limited | 64 |
1 |
| Kolon Industries, Inc. | 1687 |
1 |
| Other owners | 37 |