A23B 4/02
Preserving by means of inorganic salts
Official title: Preserving by means of inorganic salts (apparatus therefor A23B4/26, A23B4/32)
A23B4/02 (Preserving by means of inorganic salts) appears on 276 US grants and 177 published applications in this corpus.
Search patents in A23B- Granted patents
- 276
- Published applications
- 177
- Assignees
- 200
- Inventors
- 641
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 18 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 12 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 5 |
| 2004 | 5 | 9 |
| 2005 | 4 | 6 |
| 2006 | 3 | 7 |
| 2007 | 2 | 6 |
| 2008 | 3 | 2 |
| 2009 | 0 | 8 |
| 2010 | 2 | 8 |
| 2011 | 3 | 5 |
| 2012 | 0 | 10 |
| 2013 | 2 | 5 |
| 2014 | 2 | 6 |
| 2015 | 1 | 12 |
| 2016 | 1 | 13 |
| 2017 | 1 | 4 |
| 2018 | 5 | 6 |
| 2019 | 1 | 13 |
| 2020 | 6 | 9 |
| 2021 | 8 | 9 |
| 2022 | 2 | 15 |
| 2023 | 5 | 6 |
| 2024 | 10 | 2 |
| 2025 | 8 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Emulsion for improving meat19 May 2026US 12,628,839 B2Texas Tech University System
- Process for dry aging meat9 Dec 2025US 12,490,750 B2Saltbrick Retail, LLC
- System and method for preserving red meat by plasma active water (PAW) vacuum packaging11 Nov 2025US 12,465,061 B2South China University of Technology
- Method for koshering poultry in slaughterhouses16 Sep 2025US 12,414,572 B2
- Production method for high-quality room-temperature cooked stinky mandarin fish19 Aug 2025US 12,389,927 B1
- Process for dry aging meat26 Feb 2026US 2026/0053153 A1Saltbrick Retail, LLC
- Particulate food preservative composition16 Oct 2025US 2025/0318540 A1Purac Biochem B. V.
- Particulate composition comprising diacetate component, disodium diphosphate and another organic acid salt25 Sep 2025US 2025/0295129 A1Purac Biochem B. V.
- Composition and method for preserving fish28 Aug 2025US 2025/0268269 A1
- Device and method for the preparation of foods26 Jun 2025US 2025/0204540 A1
Most cited
By later US patents
- Food preservative composition94US 4,476,112 AStay Fresh, Inc. · 1984
- Process for treating poultry carcasses to increase shelf-life67US 5,512,309 ARhone-Poulenc Inc. · 1996
- Shelf life extension for commercially processed poultry/fowl and seafood products using a specialized hydrogen peroxide58US 5,264,229 ADegussa AG · 1993
- Agent for increasing the keeping quality of slaughtered-animal carcasses54US 5,989,611 A1999
- Process for treating poultry carcasses to control salmonellae growth46US 5,069,922 A1991