- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 23/22 - Copolymers of isobuteneButyl rubberHomopolymers or copolymers of other iso-olefins
Patent holdings for IPC class C08L 23/22
Total number of patents in this class: 688
10-year publication summary
|
54
|
48
|
77
|
50
|
81
|
72
|
42
|
31
|
39
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4036 |
55 |
| Sumitomo Rubber Industries, Ltd. | 4472 |
32 |
| Compagnie Generale des Etablissements Michelin | 4675 |
27 |
| The Yokohama Rubber Co., Ltd. | 4003 |
25 |
| Arlanxeo Singapore Pte. Ltd. | 71 |
24 |
| LG Chem, Ltd. | 17538 |
20 |
| Bridgestone Corporation | 7204 |
20 |
| Michelin Recherche et Technique S.A. | 2203 |
19 |
| 3m Innovative Properties Company | 17848 |
13 |
| Sika Technology AG | 2837 |
12 |
| Bridgestone Americas Tire Operations, LLC | 1061 |
10 |
| BASF South East Asia Pte. Ltd. | 11 |
10 |
| BASF SE | 20728 |
8 |
| Dow Global Technologies LLC | 10328 |
8 |
| Lanxess Inc. | 29 |
8 |
| The Goodyear Tire & Rubber Company | 2565 |
7 |
| The Furukawa Electric Co., Ltd. | 3623 |
7 |
| Basell Poliolefine Italia S.r.l. | 891 |
7 |
| DENSO-Holding GmbH & Co. | 97 |
7 |
| Emulco Laboratories C.v.b.a. | 10 |
7 |
| Other owners | 362 |