- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 45/00 - Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring systemCompositions of derivatives of such polymers
Patent holdings for IPC class C08L 45/00
Total number of patents in this class: 574
10-year publication summary
|
50
|
41
|
34
|
46
|
27
|
28
|
50
|
35
|
33
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4113 |
46 |
| ExxonMobil Chemical Patents Inc. | 3974 |
25 |
| Dexerials Corporation | 1946 |
22 |
| Mitsui Chemicals, Inc. | 3239 |
20 |
| The Yokohama Rubber Co., Ltd. | 4085 |
19 |
| Polyplastics Co., Ltd. | 608 |
19 |
| Bridgestone Corporation | 7218 |
17 |
| Sumitomo Bakelite Co., Ltd. | 1510 |
14 |
| Sumitomo Chemical Company, Limited | 9086 |
13 |
| Sumitomo Rubber Industries, Ltd. | 4673 |
12 |
| LG Chem, Ltd. | 17680 |
10 |
| Compagnie générale des établissements Michelin SCA | 2584 |
10 |
| Promerus, LLC | 143 |
10 |
| FUJIFILM Corporation | 29702 |
8 |
| Compagnie Generale des Etablissements Michelin | 4766 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3485 |
7 |
| Konica Minolta, Inc. | 8807 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5708 |
6 |
| Daikin Industries, Ltd. | 10111 |
6 |
| Toray Industries, Inc. | 7002 |
6 |
| Other owners | 290 |