- 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: 580
10-year publication summary
|
61
|
64
|
59
|
55
|
39
|
31
|
47
|
28
|
19
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17561 |
87 |
| Bridgestone Corporation | 7217 |
74 |
| Compagnie Generale des Etablissements Michelin | 4691 |
56 |
| Compagnie générale des établissements Michelin SCA | 2568 |
37 |
| The Yokohama Rubber Co., Ltd. | 4013 |
37 |
| Sumitomo Rubber Industries, Ltd. | 4483 |
23 |
| Asahi Kasei Kabushiki Kaisha | 2636 |
16 |
| Eneos Materials Corporation | 259 |
16 |
| Zeon Corporation | 4072 |
15 |
| Michelin Recherche et Technique S.A. | 2198 |
14 |
| The Goodyear Tire & Rubber Company | 2570 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3438 |
8 |
| Centre National de La Recherche Scientifique | 10321 |
7 |
| Arlanxeo Deutschland GmbH | 274 |
6 |
| Denka Company Limited | 2533 |
6 |
| Institut Polytechnique de Bordeaux | 395 |
6 |
| Universite de Bordeaux | 851 |
6 |
| Sumitomo Chemical Company, Limited | 9009 |
5 |
| JSR Corporation | 2508 |
5 |
| Trinseo Europe GmbH | 308 |
5 |
| Other owners | 143 |