- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 136/06 - Butadiene
Patent holdings for IPC class C08F 136/06
Total number of patents in this class: 408
10-year publication summary
|
35
|
42
|
33
|
36
|
36
|
40
|
27
|
21
|
25
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7241 |
72 |
| LG Chem, Ltd. | 17903 |
54 |
| Versalis S.P.A. | 528 |
26 |
| Compagnie Generale des Etablissements Michelin | 4917 |
17 |
| Bridgestone Americas Tire Operations, LLC | 1117 |
14 |
| Arlanxeo Deutschland GmbH | 274 |
12 |
| Compagnie générale des établissements Michelin SCA | 2676 |
8 |
| Evonik Operations GmbH | 4286 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4708 |
7 |
| Korea Kumho Petrochemical Co., Ltd. | 191 |
7 |
| G-3 Chickadee Purchaser, LLC | 94 |
6 |
| The Goodyear Tire & Rubber Company | 2392 |
5 |
| Kuraray Co., Ltd. | 3583 |
5 |
| Centre National de La Recherche Scientifique | 10922 |
4 |
| California Institute of Technology | 4023 |
4 |
| Institut Polytechnique de Bordeaux | 430 |
4 |
| Rogers Corporation | 508 |
4 |
| Universite de Bordeaux | 921 |
4 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
3 |
| China Petroleum & Chemical Corporation | 2096 |
3 |
| Other owners | 141 |