- All sections
- C - Chemistrymetallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/44 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
Patent holdings for IPC class C08C 19/44
Total number of patents in this class: 424
10-year publication summary
|
38
|
53
|
33
|
16
|
20
|
5
|
6
|
4
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7239 |
78 |
| LG Chem, Ltd. | 17810 |
51 |
| Compagnie Generale des Etablissements Michelin | 4868 |
43 |
| Michelin Recherche et Technique S.A. | 2118 |
28 |
| Compagnie générale des établissements Michelin SCA | 2654 |
23 |
| Eneos Materials Corporation | 279 |
21 |
| Arlanxeo Deutschland GmbH | 274 |
16 |
| Zeon Corporation | 4114 |
16 |
| Continental Reifen Deutschland GmbH | 2500 |
14 |
| The Yokohama Rubber Co., Ltd. | 4100 |
9 |
| Synthos Dwory 7 Spolka z organiczona odpowiedzialnoscia Spolka jawna (currently Synthos Dwory 7 Spolka z organiczona Odpowiedzialnoscia) | 20 |
9 |
| Lanxess Deutschland GmbH | 1141 |
8 |
| Trinseo Europe GmbH | 319 |
8 |
| Asahi Kasei Chemicals Corporation | 579 |
7 |
| Firestone Polymers, LLC | 23 |
6 |
| Korea Kumho Petrochemical Co., Ltd. | 189 |
5 |
| Styron Europe GmbH | 48 |
5 |
| Versalis S.P.A. | 534 |
5 |
| FINA Technology, Inc. | 501 |
4 |
| TSRC Corporation | 44 |
4 |
| Other owners | 64 |