- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 8/87 - Polyurethanes
Patent holdings for IPC class A61K 8/87
Total number of patents in this class: 884
10-year publication summary
|
82
|
115
|
98
|
79
|
60
|
63
|
43
|
43
|
35
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L' Oréal | 5685 |
126 |
| L'OREAL, Société Anonyme | 16087 |
64 |
| Shiseido Company, Ltd. | 4199 |
50 |
| The Procter & Gamble Company | 21987 |
41 |
| AMOREPACIFIC Corporation | 2878 |
24 |
| Henkel AG & Co. KGaA | 10703 |
20 |
| Covestro Deutschland AG | 2796 |
18 |
| ELC Management LLC | 1148 |
18 |
| Adeka Corporation | 1371 |
17 |
| Firmenich SA | 1723 |
16 |
| Conopco, Inc. | 4982 |
15 |
| FUJIFILM Corporation | 30126 |
15 |
| Kao Corporation | 5030 |
15 |
| BASF SE | 21131 |
13 |
| Bayer MaterialScience AG | 755 |
12 |
| Unilever PLC | 3073 |
11 |
| Unilever N.V. | 2982 |
11 |
| L V M H Recherche | 189 |
11 |
| International Flavors & Fragrances Inc. | 522 |
10 |
| Living Proof, Inc. | 122 |
10 |
| Other owners | 367 |