A23F 5/22
Reducing or removing alkaloid content from coffee extract
A23F5/22 (Reducing or removing alkaloid content from coffee extract) appears on 83 US grants and 27 published applications in this corpus.
Search patents in A23F- Granted patents
- 83
- Published applications
- 27
- Assignees
- 39
- Inventors
- 160
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of extraction of natural caffeine from a caffeine containing biological material30 Dec 2025US 12,507,708 B2Givaudan SA
- 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
- Composition containing flavonoid-cyclodextrin clathrate compound20 Sep 2022US 11,446,319 B2Taiyo Kagaku Co., Ltd.
- Nitrogen infused soluble cold brew instant coffee and process for preparation8 Mar 2022US 11,266,160 B2Societe des Produits Nestle S. A.
- Extraction method26 Mar 2026US 2026/0083150 A1Givaudan SA
- Extraction method14 Sep 2023US 2023/0284648 A1Givaudan SA
- Pretreated clay composition for selective removal of planar molecules from solutions12 May 2022US 2022/0142213 A1International Business Machines Corporation
- Composition containing flavonoid-cyclodextrin clathrate compound8 Jul 2021US 2021/0205344 A1Taiyo Kagaku Co., Ltd.
- Acid-reducing beverage filter and method of producing same8 Jul 2021US 2021/0205843 A1Pham Products LLC
Most cited
By later US patents
- Filter with zeolitic adsorbent attached to individual exposed surfaces of an electret-treated fibrous matrix28US 5,906,743 AKimberly-Clark Worldwide, Inc. · 1999
- Removal of caffeine by selective adsorption using zeolite adsorbents26US 4,331,694 AUnion Carbide Corporation · 1982
- Coffee extraction process26US 4,352,829 AThe Procter & Gamble Company · 1982
- Process for treating an aqueous extract of a vegetable material24US 4,160,042 A1979
- Decaffeination of aqueous extracts20US 4,246,291 AGeneral Foods Corporation · 1981