- 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 6/70 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolycondensation products from polyurethanes
Patent holdings for IPC class D01F 6/70
Total number of patents in this class: 335
10-year publication summary
|
18
|
30
|
30
|
18
|
30
|
21
|
31
|
32
|
18
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyosung Corporation | 291 |
35 |
| Lubrizol Advanced Materials, Inc. | 943 |
26 |
| The Lycra Company LLC | 130 |
24 |
| Toray Opelontex Co., Ltd. | 41 |
22 |
| Hyosung TNC Corporation | 80 |
16 |
| BASF SE | 20666 |
15 |
| INVISTA Technologies S.a.r.l. | 416 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2627 |
12 |
| Mitsubishi Chemical Corporation | 4474 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5571 |
6 |
| Mitsui Chemicals, Inc. | 3195 |
6 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 366 |
5 |
| INVISTA North America S.a.r.l. | 177 |
5 |
| Sanko Co., Ltd. | 53 |
5 |
| Shinshu University, National University Corporation | 11 |
5 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 815 |
4 |
| Tae Kwang Ind.co., Ltd. | 4 |
4 |
| Covestro Deutschland AG | 2711 |
3 |
| BASF (China) Co., Ltd. | 827 |
3 |
| A&at LLC | 9 |
3 |
| Other owners | 113 |