A61F 2013/530591
In granules or particles
Official title: {in granules or particles}
A61F2013/530591 (In granules or particles) appears on 80 US grants and 103 published applications in this corpus.
Search patents in A61F- Granted patents
- 80
- Published applications
- 103
- Assignees
- 35
- Inventors
- 271
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 5 |
| 2014 | 1 | 8 |
| 2015 | 3 | 1 |
| 2016 | 4 | 3 |
| 2017 | 5 | 9 |
| 2018 | 0 | 9 |
| 2019 | 1 | 5 |
| 2020 | 4 | 10 |
| 2021 | 6 | 12 |
| 2022 | 3 | 22 |
| 2023 | 5 | 3 |
| 2024 | 12 | 3 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thin fluid absorbent core-absorbent paper24 Jun 2025US 12,336,895 B2BASF SE
- Water-absorbing resin particles and absorbent article11 Mar 2025US 12,246,303 B2Sumitomo Seika Chemicals Co., Ltd.
- Method for producing absorbent articles comprising water-absorbing resin18 Feb 2025US 12,226,296 B2The Procter & Gamble Company
- Absorbent structure comprising co-formed layer14 Jan 2025US 12,193,923 B2The Procter & Gamble Company
- Absorbent resin particles, absorbent article and production method therefor31 Dec 2024US 12,178,691 B2Sumitomo Seika Chemicals Co., Ltd.
- Absorbent article having waist gasketing element3 Sep 2026US 2026/0256631 A1The Procter & Gamble Company
- Absorbent article comprising a polymer foam cushion layer16 Jul 2026US 2026/0199150 A1The Procter & Gamble Company
- Environmentally-friendly absorbent article and process of making6 Feb 2025US 2025/0041132 A1
- Environmentally-friendly absorbent article and process of making30 Jan 2025US 2025/0032323 A1
- Absorber7 Nov 2024US 2024/0366826 A1Sumitomo Seika Chemicals Co., Ltd.
Most cited
By later US patents
- Thin absorbent article having rapid uptake of liquid497US 5,509,915 AKimberly-Clark Corporation · 1996
- Absorbent article having a liner which exhibits improved softness and dryness, and provides for rapid uptake of liquid374US 5,192,606 AKimberly-Clark Corporation · 1993
- Porous, absorbent, polymeric macrostructures and methods of making the same234US 5,124,188 AThe Procter & Gamble Company · 1992
- Non-layered absorbent insert having Z-directional superabsorbent concentration gradient226US 4,699,823 AKimberly-Clark Corporation · 1987
- Porous, absorbent, polymeric macrostructures and methods of making the same209US 5,102,597 AThe Procter & Gamble Company · 1992