- 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 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
Patent holdings for IPC class B32B 27/34
Total number of patents in this class: 4207
10-year publication summary
|
369
|
411
|
460
|
448
|
378
|
346
|
330
|
305
|
265
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3345 |
134 |
| Arkema France | 3889 |
126 |
| Toyobo Co., Ltd. | 2423 |
110 |
| Dow Global Technologies LLC | 10149 |
103 |
| E. I. du Pont de Nemours and Company | 4251 |
68 |
| Toray Industries, Inc. | 6848 |
68 |
| Kaneka Corporation | 4497 |
66 |
| Dai Nippon Printing Co., Ltd. | 3973 |
61 |
| FUJIFILM Corporation | 28555 |
57 |
| 3m Innovative Properties Company | 17951 |
52 |
| Cryovac, Inc. | 394 |
50 |
| Kuraray Co., Ltd. | 3461 |
47 |
| Ube Industries, Ltd. | 880 |
47 |
| Unitika Ltd. | 444 |
39 |
| BASF SE | 20403 |
35 |
| Mitsubishi Chemical Corporation | 4446 |
35 |
| The Procter & Gamble Company | 22151 |
34 |
| Sika Technology AG | 2848 |
34 |
| Amcor Flexibles North America, Inc. | 231 |
33 |
| Nitto Denko Corporation | 8085 |
32 |
| Other owners | 2976 |