- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 59/04 - Copolyoxymethylenes
Patent holdings for IPC class C08L 59/04
Total number of patents in this class: 165
10-year publication summary
|
19
|
11
|
13
|
12
|
12
|
7
|
13
|
8
|
11
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Polyplastics Co., Ltd. | 601 |
33 |
| Celanese Sales Germany GmbH | 132 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3452 |
15 |
| Ticona LLC | 591 |
12 |
| BASF SE | 20874 |
10 |
| Asahi Kasei Kabushiki Kaisha | 2644 |
9 |
| Celanese International Corporation | 907 |
7 |
| Kolon Plastics, Inc. | 62 |
6 |
| Korea Engineering Plastics Co., Ltd. | 16 |
5 |
| Ticona GmbH | 42 |
5 |
| Asahi Kasei Chemicals Corporation | 684 |
4 |
| ColorMatrix Holdings, Inc. | 127 |
4 |
| E. I. du Pont de Nemours and Company | 4107 |
3 |
| Thai Polyacetal Co., Ltd . | 4 |
3 |
| Global Polyacetal Co., Ltd. | 49 |
3 |
| LG Chem, Ltd. | 17581 |
2 |
| Covestro Deutschland AG | 2742 |
2 |
| SABIC Global Technologies B.V. | 4318 |
2 |
| Tangshan Kailuan Chemical Technology Co.,Ltd. | 2 |
2 |
| Seiko Epson Corporation | 19296 |
1 |
| Other owners | 21 |