- 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: 4385
10-year publication summary
228
|
256
|
363
|
461
|
437
|
530
|
467
|
426
|
363
|
359
|
2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
3m Innovative Properties Company | 20948 |
165 |
DIC Corporation | 3487 |
126 |
BASF SE | 19439 |
92 |
Dow Global Technologies LLC | 9951 |
80 |
Nike, Inc. | 12749 |
74 |
Zeon Corporation | 3832 |
59 |
Toppan Printing Co., Ltd. | 2273 |
56 |
PPG Industries Ohio, Inc. | 3431 |
53 |
Dai Nippon Printing Co., Ltd. | 3891 |
51 |
Covestro Deutschland AG | 2136 |
51 |
Flooring Industries Limited, SARL | 673 |
49 |
Kuraray Co., Ltd. | 3377 |
47 |
Toray Industries, Inc. | 6608 |
46 |
Mitsui Chemicals, Inc. | 3165 |
46 |
Nitto Denko Corporation | 7835 |
37 |
Toyobo Co., Ltd. | 2203 |
32 |
Bando Chemical Industries, Ltd. | 565 |
31 |
FUJIFILM Corporation | 26514 |
30 |
Samsung Display Co., Ltd. | 29509 |
29 |
Saint-Gobain Performance Plastics Corporation | 1038 |
26 |
Other owners | 3205 |