- 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: 865
10-year publication summary
|
91
|
85
|
119
|
100
|
81
|
62
|
65
|
45
|
43
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L' Oréal | 5428 |
125 |
| L'OREAL, Société Anonyme | 15364 |
64 |
| Shiseido Company, Ltd. | 4049 |
48 |
| The Procter & Gamble Company | 22050 |
41 |
| AMOREPACIFIC Corporation | 2814 |
23 |
| Henkel AG & Co. KGaA | 10482 |
20 |
| Covestro Deutschland AG | 2725 |
18 |
| ELC Management LLC | 1058 |
18 |
| Adeka Corporation | 1361 |
16 |
| Firmenich SA | 1682 |
16 |
| Conopco, Inc. | 4967 |
15 |
| FUJIFILM Corporation | 29251 |
15 |
| Kao Corporation | 4954 |
14 |
| BASF SE | 20803 |
12 |
| Bayer MaterialScience AG | 806 |
12 |
| Unilever PLC | 3221 |
11 |
| Unilever N.V. | 3123 |
11 |
| International Flavors & Fragrances Inc. | 494 |
10 |
| Living Proof, Inc. | 124 |
10 |
| Premier Dental Products Company, LLC | 88 |
10 |
| Other owners | 356 |