- 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: 596
10-year publication summary
|
63
|
58
|
52
|
36
|
28
|
48
|
25
|
19
|
20
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17759 |
92 |
| Bridgestone Corporation | 7235 |
78 |
| Compagnie Generale des Etablissements Michelin | 4855 |
57 |
| Compagnie générale des établissements Michelin SCA | 2642 |
37 |
| The Yokohama Rubber Co., Ltd. | 4104 |
37 |
| Sumitomo Rubber Industries, Ltd. | 4712 |
23 |
| Asahi Kasei Kabushiki Kaisha | 2746 |
17 |
| Eneos Materials Corporation | 279 |
16 |
| Zeon Corporation | 4125 |
15 |
| Michelin Recherche et Technique S.A. | 2128 |
14 |
| The Goodyear Tire & Rubber Company | 2378 |
8 |
| Arlanxeo Deutschland GmbH | 274 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3551 |
8 |
| Denka Company Limited | 2682 |
6 |
| Pirelli Tyre S.p.A. | 1926 |
6 |
| Centre National de La Recherche Scientifique | 10820 |
5 |
| Sumitomo Chemical Company, Limited | 9058 |
5 |
| JSR Corporation | 2526 |
5 |
| Trinseo Europe GmbH | 317 |
5 |
| Institut Polytechnique de Bordeaux | 421 |
4 |
| Other owners | 150 |