- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 23/28 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
Patent holdings for IPC class C08L 23/28
Total number of patents in this class: 435
10-year publication summary
|
33
|
38
|
25
|
25
|
46
|
34
|
28
|
17
|
23
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 3977 |
59 |
| The Yokohama Rubber Co., Ltd. | 4039 |
31 |
| Bridgestone Corporation | 7237 |
15 |
| Nippon Paper Industries Co., Ltd. | 830 |
14 |
| LG Chem, Ltd. | 17638 |
12 |
| Dow Global Technologies LLC | 10332 |
11 |
| Compagnie Generale des Etablissements Michelin | 4745 |
11 |
| 3m Innovative Properties Company | 17819 |
9 |
| Arlanxeo Singapore Pte. Ltd. | 72 |
8 |
| Sumitomo Electric Industries, Ltd. | 15495 |
7 |
| Bridgestone Americas Tire Operations, LLC | 1069 |
7 |
| Hangzhou Xinglu Technologies Co., Ltd | 38 |
7 |
| Michelin Recherche et Technique S.A. | 2166 |
6 |
| Sumitomo Rubber Industries, Ltd. | 4650 |
6 |
| Sumitomo Wiring Systems, Ltd. | 10363 |
5 |
| AutoNetworks Technologies, Ltd. | 6592 |
5 |
| Riken Technos Corporation | 211 |
5 |
| Shandong Rike Chemical Co., Ltd. | 21 |
5 |
| Lotte Advanced Materials Co., Ltd. | 405 |
5 |
| Kingfa SCI & Tech Co. Ltd. | 639 |
4 |
| Other owners | 203 |