A61F 2013/5307
Characterized by the quantity or ratio of superabsorbent material
Official title: {characterized by the quantity or ratio of superabsorbent material}
A61F2013/5307 (Characterized by the quantity or ratio of superabsorbent material) appears on 217 US grants and 185 published applications in this corpus.
Search patents in A61F- Granted patents
- 217
- Published applications
- 185
- Assignees
- 50
- Inventors
- 512
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 5 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 2 | 7 |
| 2007 | 0 | 10 |
| 2008 | 0 | 3 |
| 2009 | 0 | 8 |
| 2010 | 4 | 1 |
| 2011 | 3 | 6 |
| 2012 | 2 | 9 |
| 2013 | 3 | 4 |
| 2014 | 6 | 7 |
| 2015 | 8 | 18 |
| 2016 | 4 | 18 |
| 2017 | 11 | 12 |
| 2018 | 2 | 10 |
| 2019 | 9 | 12 |
| 2020 | 12 | 11 |
| 2021 | 12 | 9 |
| 2022 | 5 | 9 |
| 2023 | 2 | 9 |
| 2024 | 8 | 5 |
| 2025 | 10 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Absorbent structures and methods for manufacturing absorbent structures23 Jun 2026US 12,661,276 B2Kimberly-Clark Worldwide, Inc.
- Absorbent articles with different types of channels23 Jun 2026US 12,661,280 B2The Procter & Gamble Company
- Absorbent core with nonwoven web(s) comprising superabsorbent fibers7 Apr 2026US 12,594,199 B2The Procter & Gamble Company
- Absorbent article having channels10 Mar 2026US 12,569,374 B2Essity Hygiene and Health Aktiebolag
- Multi-layered absorbent article6 Jan 2026US 12,514,763 B2Edgewell Personal Care Brands, LLC
- Absorbent structures and methods for manufacturing absorbent structures17 Sep 2026US 2026/0272728 A1Kimberly-Clark Worldwide, Inc.
- Multi-layered absorbent article12 Mar 2026US 2026/0069471 A1Edgewell Personal Care Brands, LLC
- Absorbent article comprising a multi-layer cushion layer25 Dec 2025US 2025/0387276 A1The Procter & Gamble Company
- Absorbent article with improved absorbent core21 Aug 2025US 2025/0262100 A1
- Absorbent articles having channel-forming areas and wetness indicator8 May 2025US 2025/0143934 A1The Procter & Gamble Company
Most cited
By later US patents
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge1,158US 5,151,092 AThe Procter & Gamble Company · 1992
- Absorbent article having a hydrophobic transport layer802US 4,798,603 AKimberly-Clark Corporation · 1989
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge727US 5,221,274 AThe Procter & Gamble Company · 1993
- Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer having high porosity637US 5,562,646 AThe Proctor & Gamble Company · 1996
- Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer632US 5,599,335 AThe Procter & Gamble Company · 1997