- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 5/20 - Antifreeze additives therefor, e.g. for radiator liquids
Patent holdings for IPC class C09K 5/20
Total number of patents in this class: 278
10-year publication summary
|
18
|
21
|
27
|
15
|
22
|
22
|
12
|
16
|
18
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21072 |
37 |
| Prestone Products LLC | 52 |
15 |
| Arteco N.V. | 42 |
12 |
| Prestone Products Corporation | 86 |
12 |
| Toyota Motor Corporation | 33378 |
8 |
| Tyco Fire Products LP | 860 |
8 |
| Denso Corporation | 24755 |
7 |
| Chevron U.S.A. Inc. | 4014 |
6 |
| Kukdong Jeyen Company Limited | 11 |
5 |
| KD Finechem Co., Ltd. | 30 |
5 |
| VGP Ipco, LLC | 194 |
5 |
| Honeywell International Inc. | 13554 |
4 |
| Sika Technology AG | 2904 |
4 |
| Kao Corporation | 5001 |
3 |
| CCI Corporation | 25 |
3 |
| Evans Cooling Systems, Inc. | 13 |
3 |
| HRL Laboratories, LLC | 1609 |
3 |
| Japan Chemical Industries Co., Ltd. | 5 |
3 |
| Kilfrost Group plc | 4 |
3 |
| Oy Granula AB Ltd | 26 |
3 |
| Other owners | 129 |