- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 59/04 - Copolyoxymethylenes
Patent holdings for IPC class C08L 59/04
Total number of patents in this class: 154
10-year publication summary
|
15
|
19
|
11
|
13
|
12
|
12
|
6
|
12
|
8
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Polyplastics Co., Ltd. | 563 |
33 |
| Celanese Sales Germany GmbH | 144 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
15 |
| Ticona LLC | 547 |
12 |
| BASF SE | 19740 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
8 |
| Asahi Kasei Chemicals Corporation | 809 |
5 |
| Kolon Plastics, Inc. | 69 |
5 |
| Korea Engineering Plastics Co., Ltd. | 18 |
5 |
| Ticona GmbH | 58 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| Celanese International Corporation | 879 |
3 |
| Thai Polyacetal Co., Ltd . | 4 |
3 |
| ColorMatrix Holdings, Inc. | 120 |
2 |
| Covestro Deutschland AG | 2429 |
2 |
| SABIC Global Technologies B.V. | 4044 |
2 |
| Tangshan Kailuan Chemical Technology Co.,Ltd. | 2 |
2 |
| LG Chem, Ltd. | 17205 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Dell Products L.P. | 11144 |
1 |
| Other owners | 21 |