A23L 5/42
Addition of dyes or pigments
Official title: Addition of dyes or pigments, e.g. in combination with optical brighteners
A23L5/42 (Addition of dyes or pigments) appears on 663 US grants and 861 published applications in this corpus.
Search patents in A23L- Granted patents
- 663
- Published applications
- 861
- Assignees
- 487
- Inventors
- 2,083
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 10 | 0 |
| 1978 | 10 | 0 |
| 1979 | 18 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 12 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 13 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 14 | 0 |
| 1996 | 6 | 0 |
| 1997 | 18 | 0 |
| 1998 | 12 | 0 |
| 1999 | 22 | 0 |
| 2000 | 15 | 0 |
| 2001 | 17 | 5 |
| 2002 | 14 | 20 |
| 2003 | 18 | 29 |
| 2004 | 11 | 32 |
| 2005 | 9 | 35 |
| 2006 | 14 | 35 |
| 2007 | 14 | 37 |
| 2008 | 8 | 36 |
| 2009 | 15 | 36 |
| 2010 | 9 | 39 |
| 2011 | 5 | 27 |
| 2012 | 10 | 24 |
| 2013 | 16 | 51 |
| 2014 | 20 | 26 |
| 2015 | 12 | 38 |
| 2016 | 16 | 34 |
| 2017 | 20 | 27 |
| 2018 | 15 | 39 |
| 2019 | 18 | 36 |
| 2020 | 18 | 28 |
| 2021 | 15 | 49 |
| 2022 | 26 | 41 |
| 2023 | 22 | 45 |
| 2024 | 24 | 38 |
| 2025 | 17 | 33 |
| 2026 | 15 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low-odor water-soluble copper chlorophyllin and preparation method and use thereof29 Sep 2026US 12,747,255 B2Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd.
- Inkjet ink and tablet printed matter15 Sep 2026US 12,733,661 B2Toppan Holdings Inc.
- Blue pigment and method for producing same4 Aug 2026US 12,698,396 B2Glico Nutrition Co., Ltd.
- Colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll4 Aug 2026US 12,698,397 B2Givaudan SA
- Photoisomerized compositions of anthocyanins and methods of making and use thereof14 Jul 2026US 12,679,861 B2Ohio State Innovation Foundation
- Encapsulated colorant3 Sep 2026US 2026/0256171 A1Givaudan SA
- Betalain compositions13 Aug 2026US 2026/0234406 A1Givaudan SA
- A vibrant and stable blue colorant and methods of making and use thereof30 Jul 2026US 2026/0215464 A1Ohio State Innovation Foundation
- Procedure for preparing compositions with a high content of bioactive compounds23 Jul 2026US 2026/0206786 A1
- Food colourant replacer composition, food composition comprising it and method of preparation thereof16 Jul 2026US 2026/0198537 A1Cargill, Incorporated
Most cited
By later US patents
- Platelet-shaped titanium dioxide pigment112US 5,858,078 AMerck Patent GmbH · 1999
- Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof92US 5,382,714 AThe Catholic University of America · 1995
- Methods and compositions for brightening the color of thermally processed nutritionals81US 6,811,801 B2Abbott Laboratories · 2004
- Preparation of finely divided pulverulent carotinoid and retinoid compositions77US 4,522,743 ABASF SE · 1985
- Browning agent72US 7,195,792 B2Genencor International, Inc. · 2007