- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 15/30 - Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing heterocyclic ring with at least one nitrogen atom as ring member
Patent holdings for IPC class C09K 15/30
Total number of patents in this class: 156
10-year publication summary
16
|
15
|
17
|
9
|
10
|
9
|
12
|
17
|
13
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
17 |
Ecolab USA Inc. | 5190 |
6 |
Plastipak Packaging, Inc. | 369 |
6 |
Soilgenic Technologies, LLC | 45 |
6 |
Elkimia, Inc. | 7 |
4 |
Honeywell International Inc. | 13799 |
3 |
Continental Reifen Deutschland GmbH | 2324 |
3 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
3 |
3V Sigma S.p.A. | 30 |
3 |
Alma Mater Studiorum - Universita di Bologna | 376 |
3 |
Cytec Industries Inc. | 407 |
3 |
FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
3 |
Queen's University at Kingston | 517 |
3 |
Zeon Corporation | 3854 |
3 |
Baker Hughes Holdings LLC | 3060 |
3 |
L'OREAL, Société Anonyme | 14722 |
2 |
The Boeing Company | 19843 |
2 |
Evonik Röhm GmbH | 452 |
2 |
FUJIFILM Corporation | 27102 |
2 |
Toray Industries, Inc. | 6652 |
2 |
Other owners | 77 |