- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 20/04 - Molecular weightMolecular weight distribution
Patent holdings for IPC class C10N 20/04
Total number of patents in this class: 752
10-year publication summary
|
27
|
57
|
49
|
79
|
50
|
60
|
52
|
37
|
55
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4103 |
163 |
| The Lubrizol Corporation | 1313 |
53 |
| JX Nippon Oil & Energy Corporation | 1010 |
38 |
| Showa Denko K.K. | 2337 |
29 |
| Evonik Operations GmbH | 4021 |
28 |
| JXTG Nippon Oil & Energy Corporation | 324 |
23 |
| Mitsui Chemicals, Inc. | 3187 |
21 |
| ENEOS Corporation | 584 |
20 |
| SANYO Chemical Industries, Ltd. | 475 |
19 |
| Saudi Arabian Oil Company | 12446 |
17 |
| Afton Chemical Corporation | 477 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
14 |
| Chevron Oronite Company LLC | 560 |
13 |
| Dow Global Technologies LLC | 10156 |
12 |
| Resonac Corporation | 2423 |
12 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
10 |
| ExxonMobil Research And Engineering Company | 2659 |
10 |
| ExxonMobil Chemical Patents Inc. | 4114 |
10 |
| BASF SE | 20432 |
9 |
| Totalenergies Onetech | 1116 |
8 |
| Other owners | 227 |