- 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: 843
10-year publication summary
|
62
|
91
|
85
|
119
|
100
|
81
|
61
|
65
|
44
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L' Oréal | 5103 |
121 |
| L'OREAL, Société Anonyme | 14722 |
63 |
| Shiseido Company, Ltd. | 3761 |
48 |
| The Procter & Gamble Company | 22178 |
42 |
| AMOREPACIFIC Corporation | 2606 |
22 |
| Henkel AG & Co. KGaA | 10129 |
19 |
| Covestro Deutschland AG | 2429 |
18 |
| ELC Management LLC | 1027 |
18 |
| Adeka Corporation | 1333 |
16 |
| Conopco, Inc. | 4644 |
15 |
| FUJIFILM Corporation | 27102 |
15 |
| Kao Corporation | 4843 |
15 |
| Firmenich SA | 1612 |
15 |
| BASF SE | 19740 |
12 |
| Bayer MaterialScience AG | 874 |
12 |
| Unilever PLC | 3540 |
11 |
| Unilever N.V. | 3440 |
11 |
| International Flavors & Fragrances Inc. | 478 |
10 |
| Premier Dental Products Company | 148 |
10 |
| Living Proof, Inc. | 129 |
9 |
| Other owners | 341 |