A23B 2/717
Oxygen absorbent
A23B2/717 (Oxygen absorbent) appears on 263 US grants and 255 published applications in this corpus.
Search patents in A23B- Granted patents
- 263
- Published applications
- 255
- Assignees
- 138
- Inventors
- 577
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 19 | 5 |
| 2002 | 7 | 8 |
| 2003 | 16 | 15 |
| 2004 | 3 | 16 |
| 2005 | 9 | 21 |
| 2006 | 6 | 12 |
| 2007 | 2 | 13 |
| 2008 | 4 | 7 |
| 2009 | 6 | 16 |
| 2010 | 6 | 9 |
| 2011 | 5 | 10 |
| 2012 | 8 | 9 |
| 2013 | 5 | 11 |
| 2014 | 4 | 11 |
| 2015 | 4 | 8 |
| 2016 | 13 | 8 |
| 2017 | 7 | 8 |
| 2018 | 4 | 7 |
| 2019 | 6 | 11 |
| 2020 | 4 | 10 |
| 2021 | 7 | 6 |
| 2022 | 3 | 3 |
| 2023 | 3 | 6 |
| 2024 | 2 | 9 |
| 2025 | 6 | 11 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oxygen absorber tablet16 Jun 2026US 12,653,205 B2
- Nanostructured iron/carbon for scavenging oxygen28 Oct 2025US 12,453,357 B2Agency for Science, Technology and Research
- Coating formulation, an article and methods to prepare the same15 Jul 2025US 12,357,961 B2Agency for Science, Technology and Research
- Composite material and a method of preparing the same3 Jun 2025US 12,318,752 B2Agency for Science, Technology and Research
- Oxygen scavenger composition and production method for same20 May 2025US 12,303,860 B2Mitsubishi Gas Chemical Company, Inc.
- Cell-cultured food in packaging container, production method for cell-cultured food in packaging container, and preservation method for cell-cultured food in packaging container23 Jul 2026US 2026/0206774 A1Toyo Seikan Group Holdings, Ltd.
- Cell-cultured food in packaging container, production method for cell-cultured food in packaging container, and preservation method for cell-cultured food in packaging container23 Jul 2026US 2026/0206776 A1Toyo Seikan Group Holdings, Ltd.
- Device and method for predicting storage period of fruits16 Jul 2026US 2026/0198509 A1Chinese Academy of Agricultural Sciences Fruit Research Institute
- A Container for Revitalizing and Extending the Shelf-Life of Food11 Jun 2026US 2026/0157382 A1
- Deoxygenation agent composition, method for producing same, and deoxygenation agent package19 Mar 2026US 2026/0077295 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Oxygen scavenger191US 4,536,409 AAmerican Can Company · 1985
- Oxygen scavenger141US 5,143,763 AToray Industries, Inc. · 1992
- Multilayer structure for a package for scavenging oxygen111US 5,350,622 AW. R. Grace & Co.-Conn. · 1994
- Articles having a polymeric shell and method for preparing same111US 5,443,727 AMinnesota Mining and Manufacturing Company · 1995
- Oxygen absorbent109US 4,192,773 AMitsubishi Gas Chemical Company, Inc. · 1980