- 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 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
Patent holdings for IPC class B32B 27/34
Total number of patents in this class: 4512
10-year publication summary
|
412
|
461
|
449
|
379
|
350
|
335
|
322
|
281
|
220
|
191
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3643 |
147 |
| Arkema France | 4231 |
145 |
| Toyobo Co., Ltd. | 2544 |
119 |
| Dow Global Technologies LLC | 11051 |
105 |
| FUJIFILM Corporation | 30689 |
84 |
| Dai Nippon Printing Co., Ltd. | 4270 |
75 |
| Toray Industries, Inc. | 7149 |
74 |
| Kaneka Corporation | 4775 |
73 |
| E. I. du Pont de Nemours and Company | 3460 |
62 |
| 3m Innovative Properties Company | 17455 |
54 |
| Kuraray Co., Ltd. | 3606 |
50 |
| Ube Industries, Ltd. | 765 |
46 |
| Amcor Flexibles North America, Inc. | 326 |
41 |
| Unitika Ltd. | 447 |
40 |
| Mitsubishi Chemical Corporation | 4746 |
38 |
| Cryovac, Inc. | 237 |
37 |
| The Procter & Gamble Company | 21862 |
36 |
| BASF SE | 21320 |
33 |
| Sika Technology AG | 3026 |
33 |
| Cryovac, LLC | 377 |
33 |
| Other owners | 3187 |