- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 30/02 - Pour-point; Viscosity index
Patent holdings for IPC class C10N 30/02
Total number of patents in this class: 893
10-year publication summary
|
25
|
38
|
41
|
42
|
99
|
85
|
85
|
64
|
39
|
13
|
| 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 |
141 |
| The Lubrizol Corporation | 1335 |
50 |
| ExxonMobil Research And Engineering Company | 2830 |
45 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
35 |
| JX Nippon Oil & Energy Corporation | 1019 |
32 |
| ExxonMobil Chemical Patents Inc. | 4286 |
24 |
| Mitsui Chemicals, Inc. | 3134 |
24 |
| Dow Global Technologies LLC | 10147 |
22 |
| Chevron Oronite Company LLC | 551 |
19 |
| Total Marketing Services | 487 |
19 |
| ENEOS Corporation | 611 |
17 |
| Afton Chemical Corporation | 468 |
16 |
| Shell Oil Company | 2196 |
14 |
| Chevron U.S.A. Inc. | 3774 |
14 |
| Kyodo Yushi Co., Ltd. | 224 |
14 |
| BASF SE | 19740 |
13 |
| Nippon Oil Corporation | 340 |
13 |
| Shell USA, Inc. | 1074 |
12 |
| SANYO Chemical Industries, Ltd. | 472 |
11 |
| Biosynthetic Technologies, LLC | 92 |
9 |
| Other owners | 349 |