- All sections
- C - Chemistrymetallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/22 - Incorporating nitrogen atoms into the molecule
Patent holdings for IPC class C08C 19/22
Total number of patents in this class: 594
10-year publication summary
|
61
|
63
|
58
|
52
|
36
|
28
|
48
|
24
|
19
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17682 |
91 |
| Bridgestone Corporation | 7216 |
76 |
| Compagnie Generale des Etablissements Michelin | 4795 |
56 |
| Compagnie générale des établissements Michelin SCA | 2579 |
37 |
| The Yokohama Rubber Co., Ltd. | 4087 |
37 |
| Sumitomo Rubber Industries, Ltd. | 4673 |
23 |
| Asahi Kasei Kabushiki Kaisha | 2715 |
17 |
| Eneos Materials Corporation | 275 |
16 |
| Zeon Corporation | 4113 |
15 |
| Michelin Recherche et Technique S.A. | 2141 |
14 |
| The Goodyear Tire & Rubber Company | 2443 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3498 |
8 |
| Centre National de La Recherche Scientifique | 10666 |
7 |
| Arlanxeo Deutschland GmbH | 279 |
7 |
| Denka Company Limited | 2650 |
6 |
| Institut Polytechnique de Bordeaux | 407 |
6 |
| Universite de Bordeaux | 884 |
6 |
| Sumitomo Chemical Company, Limited | 9110 |
5 |
| JSR Corporation | 2537 |
5 |
| Trinseo Europe GmbH | 315 |
5 |
| Other owners | 147 |