A23B 2/712
In which an absorbent is placed or used
Official title: in which an absorbent is placed or used (packages for foodstuffs with provision for absorbing fluids B65D81/26)
A23B2/712 (In which an absorbent is placed or used) appears on 330 US grants and 333 published applications in this corpus.
Search patents in A23B- Granted patents
- 330
- Published applications
- 333
- Assignees
- 191
- Inventors
- 778
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 19 | 5 |
| 2002 | 8 | 10 |
| 2003 | 18 | 16 |
| 2004 | 3 | 21 |
| 2005 | 10 | 22 |
| 2006 | 6 | 18 |
| 2007 | 4 | 17 |
| 2008 | 4 | 9 |
| 2009 | 6 | 18 |
| 2010 | 6 | 11 |
| 2011 | 6 | 14 |
| 2012 | 10 | 12 |
| 2013 | 8 | 17 |
| 2014 | 7 | 16 |
| 2015 | 7 | 10 |
| 2016 | 15 | 10 |
| 2017 | 7 | 9 |
| 2018 | 8 | 11 |
| 2019 | 8 | 15 |
| 2020 | 4 | 17 |
| 2021 | 9 | 7 |
| 2022 | 5 | 6 |
| 2023 | 5 | 11 |
| 2024 | 4 | 10 |
| 2025 | 6 | 11 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oxygen absorber tablet16 Jun 2026US 12,653,205 B2
- Device to release water and antimicrobial vapor into an enclosed or partially enclosed space7 Apr 2026US 12,595,109 B2Arkema Inc.
- System for producing ozone-infused crystalline solids31 Mar 2026US 12,589,328 B2Onza Corp.
- 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
- Systems and methods for applying treatments for preservation of perishable goods3 Sep 2026US 2026/0256156 A1RLMB Group, LLC
- 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
- Gas-phase antimicrobial delivery via infused crystalline and porous solids2 Jul 2026US 2026/0183680 A1Onza Corp.
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