- All sections
- C - Chemistry; metallurgy
- 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 waxes; essential oils; perfumes
- 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: 321
10-year publication summary
|
19
|
31
|
35
|
29
|
43
|
42
|
31
|
35
|
25
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Firmenich SA | 1669 |
13 |
| Givaudan SA | 1818 |
12 |
| Gene Pool Technologies, Inc. | 22 |
12 |
| Scientific Holdings, LLC | 34 |
10 |
| Takasago International Corporation | 403 |
8 |
| L' Oréal | 5305 |
7 |
| Natural Extraction Systems, LLC | 99 |
6 |
| Symrise AG | 1676 |
6 |
| The Procter & Gamble Company | 22151 |
5 |
| Arcelik A.S. | 3525 |
5 |
| T. Hasegawa Co., Ltd. | 82 |
5 |
| Tropicana Products, Inc. | 307 |
4 |
| Universidade Estadual de Campinas - Unicamp | 263 |
4 |
| Young Living Essential Oils, LC | 275 |
4 |
| E. I. du Pont de Nemours and Company | 4251 |
3 |
| Brown International Corporation LLC | 17 |
3 |
| Charabot | 14 |
3 |
| Essex Laboratories, LLC | 23 |
3 |
| General Mills, Inc. | 1011 |
3 |
| Sensient Flavors Limited | 6 |
3 |
| Other owners | 202 |