A23F 3/423
By solvent extraction
Official title: {by solvent extraction; Tea flavour from tea oil}
A23F3/423 (By solvent extraction) appears on 12 US grants and 9 published applications in this corpus.
Search patents in A23F- Granted patents
- 12
- Published applications
- 9
- Assignees
- 11
- Inventors
- 40
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for controlling the production of an extract using a solid-liquid extraction process26 Aug 2025US 12,397,243 B2GEA TDS GmbH
- Natural compound sweetener and preparation method therefor11 Oct 2022US 11,464,250 B2Hunan Huacheng Biotech Inc.
- Granular composition comprising dietary fibers derived from green tea and method for preparing the same16 Aug 2022US 11,412,753 B2Amorepacific Corporation
- Granular composition comprising dietary fibers derived from green tea and method for preparing the same24 May 2022US 11,337,437 B2Amorepacific Corporation
- Green tea beverage and method of making same12 Oct 2010US 7,811,619 B2Kao Corporation
- Methods and Systems for Tea Extraction13 Mar 2025US 2025/0081980 A1Florida Food Products, LLC
- Method and Apparatus for Industrial Production of an Extract by Solid-Liquid Extraction18 Aug 2022US 2022/0258069 A1GEA TDS GmbH
- Method and Device for Controlling the Production of an Extract Using a Solid-Liquid Extraction Process16 Jun 2022US 2022/0184524 A1GEA TDS GmbH
- Natural compound sweetener and preparation method therefor17 Jun 2021US 2021/0177022 A1Hunan Huacheng Biotech Inc.
- Granular composition comprising dietary fibers derived from green tea and method for preparing the same30 Apr 2020US 2020/0128842 A1Amorepacific Corporation
Most cited
By later US patents
- Process for making green tea solids29US 4,935,256 AThe Procter & Gamble Company · 1990
- Method for the manufacture of caffeine free black tea15US 4,167,589 A1979
- Process for the production of decaffeinated tea8US 4,938,977 AHopfen-Extraktrion HVG Barth, Raiser & Co. · 1990
- Extraction method for odor and flavor producing ingredients of foods and flowers and products produced7US 4,136,065 AAsahi Kasei Kogyo Kabushiki Kaisha · 1979
- Process for aromatization of treated tea6US 5,087,468 AHopfenextraktion HVG Barth, Raiser & Co. · 1992