- 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 1/02 - Addition of substances to the spinning solution or to the melt
Patent holdings for IPC class D01F 1/02
Total number of patents in this class: 236
10-year publication summary
15
|
12
|
22
|
21
|
24
|
10
|
21
|
20
|
13
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lenzing Aktiengesellschaft | 529 |
8 |
Polytex Sportbeläge Produktions-GmbH | 84 |
5 |
Eastman Chemical Company | 2239 |
4 |
Stratasys, Inc. | 669 |
4 |
The Boeing Company | 19843 |
3 |
Kimberly-clark Worldwide, Inc. | 5854 |
3 |
DSM IP Assets B.V. | 5856 |
3 |
Amsilk GmbH | 82 |
3 |
Cornell University | 3036 |
3 |
Nicolon Corporation | 57 |
3 |
Orthorebirth Co. Ltd. | 32 |
3 |
Shakespeare Company, LLC | 160 |
3 |
Aquapak IP Limited | 18 |
3 |
Xinxiang Chemical Fibre Co., Ltd. | 7 |
3 |
3m Innovative Properties Company | 18406 |
2 |
LG Chem, Ltd. | 17205 |
2 |
Centre National de La Recherche Scientifique | 9632 |
2 |
Dow Global Technologies Inc. | 1055 |
2 |
Board of Regents, The University of Texas System | 5370 |
2 |
Aladdin Manufacturing Corporation | 194 |
2 |
Other owners | 173 |