- 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 6/70 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
Patent holdings for IPC class D01F 6/70
Total number of patents in this class: 319
10-year publication summary
|
19
|
18
|
30
|
30
|
18
|
30
|
21
|
30
|
31
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyosung Corporation | 300 |
36 |
| Lubrizol Advanced Materials, Inc. | 949 |
26 |
| The Lycra Company LLC | 138 |
21 |
| Toray Opelontex Co., Ltd. | 37 |
19 |
| INVISTA Technologies S.a.r.l. | 450 |
16 |
| Hyosung TNC Corporation | 73 |
15 |
| BASF SE | 19740 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
| Mitsubishi Chemical Corporation | 4313 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
6 |
| Mitsui Chemicals, Inc. | 3134 |
6 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 354 |
5 |
| INVISTA North America S.a.r.l. | 182 |
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 | 786 |
4 |
| Tae Kwang Ind.co., Ltd. | 4 |
4 |
| BASF (China) Co., Ltd. | 755 |
3 |
| A&at LLC | 9 |
3 |
| Asahi Kasei Fibers Corporation | 112 |
2 |
| Other owners | 104 |