- All sections
- C - Chemistrymetallurgy
- C11B - Producing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxesessential oilsperfumes
- C11B 9/02 - Recovery or refining of essential oils from raw materials
Patent holdings for IPC class C11B 9/02
Total number of patents in this class: 337
10-year publication summary
|
31
|
35
|
29
|
43
|
42
|
33
|
35
|
26
|
31
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gene Pool Technologies, Inc. | 32 |
14 |
| Firmenich SA | 1759 |
12 |
| Scientific Holdings, LLC | 37 |
12 |
| Givaudan SA | 1976 |
11 |
| Natural Extraction Systems, LLC | 124 |
10 |
| Symrise AG | 1844 |
9 |
| Takasago International Corporation | 405 |
8 |
| L' Oréal | 5857 |
7 |
| Arcelik A.S. | 3376 |
5 |
| Brown International Corporation LLC | 18 |
5 |
| T. Hasegawa Co., Ltd. | 92 |
5 |
| L'OREAL, Société Anonyme | 16319 |
4 |
| Universidade Estadual de Campinas - Unicamp | 283 |
4 |
| Young Living Essential Oils, LC | 260 |
4 |
| The Procter & Gamble Company | 21861 |
3 |
| E. I. du Pont de Nemours and Company | 3542 |
3 |
| Charabot | 14 |
3 |
| Essex Laboratories, LLC | 22 |
3 |
| Sensient Flavors Limited | 6 |
3 |
| South China University of Technology | 1903 |
3 |
| Other owners | 209 |