- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 11/00 - Compositions of homopolymers or copolymers of chloroprene
Patent holdings for IPC class C08L 11/00
Total number of patents in this class: 270
10-year publication summary
|
21
|
24
|
22
|
26
|
23
|
29
|
29
|
23
|
31
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2189 |
57 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
17 |
| Bridgestone Corporation | 7067 |
12 |
| The Yokohama Rubber Co., Ltd. | 3929 |
12 |
| Mitsuboshi Belting Ltd. | 307 |
10 |
| 3m Innovative Properties Company | 18406 |
8 |
| Bando Chemical Industries, Ltd. | 570 |
8 |
| Arlanxeo Deutschland GmbH | 302 |
7 |
| Sumitomo Electric Industries, Ltd. | 14131 |
5 |
| Firestone Industrial Products Company, LLC | 316 |
5 |
| Soucy Techno Inc. | 11 |
5 |
| Kao Corporation | 4843 |
4 |
| Bridgestone Americas Tire Operations, LLC | 990 |
4 |
| ContiTech Luftfedersysteme GmbH | 112 |
4 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| Lanxess Deutschland GmbH | 1104 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
2 |
| The Furukawa Electric Co., Ltd. | 3486 |
2 |
| Armacell Enterprise GmbH & Co. KG | 182 |
2 |
| Other owners | 98 |