- All sections
- B - Performing operations; transporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
Patent holdings for IPC class B32B 27/40
Total number of patents in this class: 4488
10-year publication summary
|
257
|
363
|
461
|
438
|
531
|
467
|
425
|
366
|
387
|
123
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
161 |
| DIC Corporation | 3597 |
129 |
| BASF SE | 19740 |
96 |
| Dow Global Technologies LLC | 10147 |
84 |
| Nike, Inc. | 13075 |
77 |
| Zeon Corporation | 3854 |
62 |
| Toppan Printing Co., Ltd. | 2212 |
54 |
| Covestro Deutschland AG | 2429 |
53 |
| Dai Nippon Printing Co., Ltd. | 3891 |
49 |
| PPG Industries Ohio, Inc. | 3430 |
49 |
| Kuraray Co., Ltd. | 3392 |
48 |
| Toray Industries, Inc. | 6652 |
47 |
| UNILIN, besloten vennootschap | 599 |
47 |
| Mitsui Chemicals, Inc. | 3134 |
46 |
| Nitto Denko Corporation | 7879 |
38 |
| Toyobo Co., Ltd. | 2286 |
34 |
| FUJIFILM Corporation | 27102 |
33 |
| Bando Chemical Industries, Ltd. | 570 |
33 |
| Samsung Display Co., Ltd. | 30585 |
29 |
| Saint-Gobain Glass France | 3641 |
28 |
| Other owners | 3291 |