- 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
|
33
|
37
|
30
|
34
|
34
|
38
|
26
|
20
|
25
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7231 |
71 |
| LG Chem, Ltd. | 17741 |
54 |
| Versalis S.P.A. | 547 |
28 |
| Compagnie Generale des Etablissements Michelin | 4855 |
17 |
| Bridgestone Americas Tire Operations, LLC | 1091 |
13 |
| Arlanxeo Deutschland GmbH | 276 |
12 |
| Compagnie générale des établissements Michelin SCA | 2632 |
8 |
| Evonik Operations GmbH | 4198 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4712 |
7 |
| Korea Kumho Petrochemical Co., Ltd. | 190 |
7 |
| G-3 Chickadee Purchaser, LLC | 66 |
6 |
| Centre National de La Recherche Scientifique | 10801 |
5 |
| The Goodyear Tire & Rubber Company | 2384 |
5 |
| Institut Polytechnique de Bordeaux | 418 |
5 |
| Kuraray Co., Ltd. | 3563 |
5 |
| Universite de Bordeaux | 902 |
5 |
| California Institute of Technology | 4006 |
4 |
| Rogers Corporation | 500 |
4 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 296 |
3 |
| China Petroleum & Chemical Corporation | 1993 |
3 |
| Other owners | 138 |