A23F 3/36
Reducing or removing alkaloid content
Official title: Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
A23F3/36 (Reducing or removing alkaloid content) appears on 58 US grants and 49 published applications in this corpus.
Search patents in A23F- Granted patents
- 58
- Published applications
- 49
- Assignees
- 38
- Inventors
- 148
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 5 |
| 2013 | 2 | 0 |
| 2014 | 0 | 4 |
| 2015 | 2 | 3 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 4 |
| 2020 | 6 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Beverage composition20 Feb 2024US 11,903,394 B2Kao Corporation
- Production method for composition which contains non-polymer catechin14 Nov 2023US 11,812,759 B2Kao Corporation
- Edible product comprising reconstituted plant material6 Jun 2023US 11,666,530 B2Schweitzer-Mauduit International, Inc.
- Pretreated clay composition and process for selective removal of planar molecules from solutions16 May 2023US 11,647,768 B2International Business Machines Corporation
- Acid-reducing beverage filter and method of producing same14 Feb 2023US 11,577,274 B2Pham Products LLC
- Decaffeinated yerba mate extract, anti-obesity composition, decaffeination method and method for the production of a yerba mate extract12 Jun 2025US 2025/0186525 A1Tokiwa Phytochemical Co., Ltd.
- Preparation method of tea essences particles16 Jan 2025US 2025/0017233 A1
- Composition For Making a Tea Beverage or Herbal and Vegetable Broths9 Feb 2023US 2023/0043427 A1Schweitzer-Mauduit International, Inc.
- Beverage composition29 Dec 2022US 2022/0408752 A1Kao Corporation
- Composition for Making a Tea Beverage or Herbal and Vegetable Broths17 Nov 2022US 2022/0361520 A1Schweitzer-Mauduit International, Inc.
Most cited
By later US patents
- Removal of caffeine by selective adsorption using zeolite adsorbents26US 4,331,694 AUnion Carbide Corporation · 1982
- Process for treating an aqueous extract of a vegetable material24US 4,160,042 A1979
- Decaffeination of vegetable material17US 4,031,251 ASociete d'Assistance Technique pour Produits Nestle S. A. · 1977
- Method for the manufacture of caffeine free black tea15US 4,167,589 A1979
- Methyl xanthine antagonism14US 4,076,856 AGeneral Foods Corporation · 1978