- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 20/04 - Molecular weight; Molecular weight distribution
Patent holdings for IPC class C10N 20/04
Total number of patents in this class: 680
10-year publication summary
|
31
|
27
|
57
|
49
|
78
|
50
|
59
|
51
|
18
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
152 |
| The Lubrizol Corporation | 1335 |
48 |
| JX Nippon Oil & Energy Corporation | 1019 |
38 |
| Showa Denko K.K. | 2539 |
29 |
| JXTG Nippon Oil & Energy Corporation | 325 |
23 |
| Evonik Operations GmbH | 3879 |
21 |
| Mitsui Chemicals, Inc. | 3134 |
20 |
| Saudi Arabian Oil Company | 11322 |
17 |
| SANYO Chemical Industries, Ltd. | 472 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
14 |
| Afton Chemical Corporation | 468 |
13 |
| ENEOS Corporation | 611 |
13 |
| Dow Global Technologies LLC | 10147 |
11 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
10 |
| ExxonMobil Research And Engineering Company | 2830 |
10 |
| Chevron Oronite Company LLC | 551 |
9 |
| BASF SE | 19740 |
8 |
| ExxonMobil Chemical Patents Inc. | 4286 |
8 |
| Chevron Oronite Technology B.V. | 66 |
6 |
| Infineum International Limited | 340 |
6 |
| Other owners | 209 |