- 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: 697
10-year publication summary
|
48
|
77
|
50
|
81
|
72
|
46
|
33
|
43
|
26
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 3776 |
53 |
| Sumitomo Rubber Industries, Ltd. | 4726 |
32 |
| Compagnie Generale des Etablissements Michelin | 4970 |
27 |
| The Yokohama Rubber Co., Ltd. | 4114 |
24 |
| Arlanxeo Singapore Pte. Ltd. | 71 |
23 |
| LG Chem, Ltd. | 17921 |
22 |
| Bridgestone Corporation | 7259 |
21 |
| Michelin Recherche et Technique S.A. | 2084 |
19 |
| 3m Innovative Properties Company | 17478 |
13 |
| Sika Technology AG | 3004 |
12 |
| BASF SE | 21303 |
10 |
| Bridgestone Americas Tire Operations, LLC | 1126 |
10 |
| The Goodyear Tire & Rubber Company | 2395 |
9 |
| BASF South East Asia Pte. Ltd. | 10 |
9 |
| Dow Global Technologies LLC | 10944 |
8 |
| Compagnie générale des établissements Michelin SCA | 2716 |
8 |
| The Furukawa Electric Co., Ltd. | 3694 |
7 |
| Basell Poliolefine Italia S.r.l. | 933 |
7 |
| DENSO-Holding GmbH & Co. | 100 |
7 |
| Emulco Laboratories C.v.b.a. | 9 |
7 |
| Other owners | 369 |