A23L 5/49
Removing colour by chemical reaction
Official title: Removing colour by chemical reaction, e.g. bleaching
A23L5/49 (Removing colour by chemical reaction) appears on 55 US grants and 71 published applications in this corpus.
Search patents in A23L- Granted patents
- 55
- Published applications
- 71
- Assignees
- 56
- Inventors
- 191
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 10 |
| 2005 | 1 | 0 |
| 2006 | 4 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 1 | 3 |
| 2017 | 3 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 5 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 7 |
| 2024 | 2 | 7 |
| 2025 | 2 | 5 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermally activated bleaching clay product for oil bleaching16 Jun 2026US 12,654,148 B2Active Minerals International, LLC
- Alternative dairy21 Apr 2026US 12,604,919 B2Fairflavor Foods Limited
- Method for making fructose from glucose24 Feb 2026US 12,559,778 B2Novasep Process Solutions
- Oils without unwanted contaminants3 Feb 2026US 12,540,292 B2Cargill, Incorporated
- Systems and method for removing the yellow color of riboflavin from lactose solutions5 Aug 2025US 12,376,601 B2SPX Flow Technology Danmark A/S
- Improvements in or relating to organic compounds18 Dec 2025US 2025/0380723 A1Givaudan SA
- Method for producing processed plant protein-containing composition18 Dec 2025US 2025/0380724 A1Amano Enzyme Inc.
- :Low-Color Starch Materials and Methods for Making and Using Same28 Aug 2025US 2025/0270348 A1
- Decolorized spirulina and methods for producing the same3 Apr 2025US 2025/0107551 A1Algaecore Technologies Ltd
- Process for bleaching algal biomass by light-exposure9 Jan 2025US 2025/0008991 A1Nexto Societa' A Responsabilita' Limitata Semplificata
Most cited
By later US patents
- Sugar beet pulp bulking agent and process46US 4,451,489 AGeneral Foods Corporation · 1984
- Stanol ester composition and production thereof45US 6,031,118 ALipton, division of Conopco, Inc. · 2000
- Food supplement from vegetable pulp and method of preparing same44US 4,241,093 AU&I Corporation · 1980
- Process and apparatus for treating food products with ozone20US 6,162,477 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2000
- Process and device for treating animal flesh, particularly fish, for the purpose of removing color and odor16US 5,087,466 ACompagnie des Eaux et de L'Ozone · 1992