- All sections
- C - Chemistry; metallurgy
- 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 system; Compositions of derivatives of such polymers
Patent holdings for IPC class C08L 45/00
Total number of patents in this class: 564
10-year publication summary
|
45
|
53
|
41
|
34
|
47
|
28
|
31
|
51
|
34
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 3854 |
43 |
| ExxonMobil Chemical Patents Inc. | 4286 |
26 |
| Mitsui Chemicals, Inc. | 3134 |
26 |
| Dexerials Corporation | 1826 |
20 |
| Polyplastics Co., Ltd. | 563 |
19 |
| The Yokohama Rubber Co., Ltd. | 3929 |
18 |
| Bridgestone Corporation | 7067 |
17 |
| Sumitomo Chemical Company, Limited | 8808 |
13 |
| FUJIFILM Corporation | 27102 |
12 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
12 |
| LG Chem, Ltd. | 17205 |
11 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
11 |
| Compagnie générale des établissements Michelin SCA | 2477 |
10 |
| Promerus, LLC | 172 |
9 |
| Compagnie Generale des Etablissements Michelin | 4450 |
7 |
| Konica Minolta, Inc. | 8349 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
6 |
| Toray Industries, Inc. | 6652 |
6 |
| Celanese International Corporation | 879 |
6 |
| Materia, Inc. | 75 |
6 |
| Other owners | 280 |