- All sections
- B - Performing operationstransporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 23/02 - Layered products essentially comprising cellulosic plastic substances in the form of fibres or filaments
Patent holdings for IPC class B32B 23/02
Total number of patents in this class: 155
10-year publication summary
|
7
|
8
|
7
|
10
|
6
|
5
|
3
|
4
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oji Holdings Corporation | 801 |
10 |
| BASF SE | 21320 |
6 |
| The Clorox Company | 943 |
5 |
| 3m Innovative Properties Company | 17459 |
4 |
| Umicore AG & Co. KG | 850 |
4 |
| Seiko Epson Corporation | 20365 |
3 |
| Federal-Mogul Powertrain, Inc. | 78 |
3 |
| Fuji Polymer Industries Co., Ltd. | 131 |
3 |
| Toppan Printing Co., Ltd. | 2081 |
3 |
| DuPont Safety & Construction, Inc. | 680 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2847 |
2 |
| Billerudkorsnas AB | 88 |
2 |
| Cabot Corporation | 544 |
2 |
| Cascades Canada ULC | 587 |
2 |
| Centre Technique du Papier | 18 |
2 |
| CertainTeed Corporation | 205 |
2 |
| National University Corporation Nagoya University | 779 |
2 |
| Ramshorn Corporation | 5 |
2 |
| Risho Kogyo Co., Ltd. | 24 |
2 |
| Nortje, Marthinus Jordaan | 2 |
2 |
| Other owners | 91 |