- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 70/00 - Special methods of preparation
Patent holdings for IPC class C10N 70/00
Total number of patents in this class: 361
10-year publication summary
|
16
|
11
|
14
|
19
|
33
|
28
|
44
|
34
|
20
|
3
|
| 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 |
27 |
| The Lubrizol Corporation | 1335 |
26 |
| JX Nippon Oil & Energy Corporation | 1019 |
15 |
| Chevron U.S.A. Inc. | 3774 |
12 |
| NTN Corporation | 5008 |
10 |
| ExxonMobil Research And Engineering Company | 2830 |
9 |
| ExxonMobil Chemical Patents Inc. | 4286 |
8 |
| Neste Oyj | 686 |
7 |
| Evonik Operations GmbH | 3879 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
| Dow Global Technologies LLC | 10147 |
5 |
| Chevron Oronite Company LLC | 551 |
5 |
| Showa Denko K.K. | 2539 |
5 |
| Aktiebolaget SKF | 2700 |
5 |
| Infineum International Limited | 340 |
5 |
| Resonac Corporation | 2233 |
5 |
| BASF SE | 19740 |
4 |
| Hyundai Motor Company | 19021 |
4 |
| Castrol Limited | 520 |
4 |
| Chemetall US, Inc. | 24 |
4 |
| Other owners | 189 |