- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 30/02 - Pour-pointViscosity index
Patent holdings for IPC class C10N 30/02
Total number of patents in this class: 1129
10-year publication summary
|
41
|
42
|
99
|
86
|
91
|
71
|
75
|
78
|
98
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4223 |
156 |
| The Lubrizol Corporation | 1277 |
53 |
| ExxonMobil Research And Engineering Company | 2490 |
45 |
| Shell Internationale Research Maatschappij B.V. | 3493 |
37 |
| Totalenergies Onetech | 1485 |
35 |
| Infineum International Limited | 422 |
34 |
| ENEOS Corporation | 660 |
34 |
| JX Nippon Oil & Energy Corporation | 978 |
32 |
| ExxonMobil Chemical Patents Inc. | 3879 |
30 |
| Chevron Oronite Company LLC | 595 |
28 |
| Dow Global Technologies LLC | 10742 |
25 |
| Mitsui Chemicals, Inc. | 3222 |
25 |
| Afton Chemical Corporation | 488 |
24 |
| BASF SE | 21131 |
22 |
| ExxonMobil Technology and Engineering Company | 1254 |
21 |
| Total Marketing Services | 448 |
20 |
| Kyodo Yushi Co., Ltd. | 250 |
19 |
| Shell USA, Inc. | 1282 |
19 |
| Chevron U.S.A. Inc. | 4075 |
15 |
| SANYO Chemical Industries, Ltd. | 502 |
15 |
| Other owners | 440 |