A23F 3/366
By extraction of the leaves with selective solvents
Official title: {by extraction of the leaves with selective solvents}
A23F3/366 (By extraction of the leaves with selective solvents) appears on 12 US grants and 5 published applications in this corpus.
Search patents in A23F- Granted patents
- 12
- Published applications
- 5
- Assignees
- 9
- Inventors
- 26
- Latest grant
- 1 Dec 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Green tea extract1 Dec 2015US 9,198,946 B2Kao Corporation
- Packaged beverage with caffeine-containing catechin composition5 Nov 2013US 8,574,655 B2Kao Corporation
- Method of removing caffeine from caffeine-containing catechin compound composition8 Feb 2011US 7,883,734 B2Kao Corporation
- Method for decaffeinating tea28 Dec 2010US 7,858,138 B2NATECO2 GmbH & Co. KG
- Decaffeinating coffee and tea6 Oct 1992US 5,153,015 AUhde GmbH
- Method of removing caffeine from caffeine-containing catechin compound composition24 Apr 2014US 2014/0113011 A1Kao Corporation
- Method of removing caffeine from a caffeine-containing catechin compound composition14 Apr 2011US 2011/0086159 A1Kao Corporation
- Antioxidant Agent and Beverage Using Same1 Oct 2009US 2009/0246344 A1Sasaki Tea Manufacturing Co., Ltd.
- Method for Decaffeinating Tea4 Oct 2007US 2007/0231445 A1NATECO2 GmbH & Co. KG
- Method of removing caffeine from caffeine-containing catechin compound composition16 Mar 2006US 2006/0057261 A1Kao Corporation
Most cited
By later US patents
- Method for the manufacture of caffeine free black tea15US 4,167,589 A1979
- Process for the decaffeination of tea13US 4,976,979 ASKW Trostberg Aktiengesellschaft · 1990
- Method for the selective extraction of caffeine from vegetable materials12US 4,255,458 AHAG Aktiengesellschaft · 1981
- Process for the extraction of caffeine from super-critical solutions12US 4,411,923 AHAG Aktiengesellschaft · 1983
- Process for the production of decaffeinated tea8US 4,938,977 AHopfen-Extraktrion HVG Barth, Raiser & Co. · 1990