A61F 2013/51019
Being cellulosic material
Official title: {being cellulosic material}
A61F2013/51019 (Being cellulosic material) appears on 60 US grants and 79 published applications in this corpus.
Search patents in A61F- Granted patents
- 60
- Published applications
- 79
- Assignees
- 27
- Inventors
- 168
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 5 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 6 |
| 2019 | 2 | 17 |
| 2020 | 3 | 10 |
| 2021 | 3 | 6 |
| 2022 | 13 | 11 |
| 2023 | 5 | 9 |
| 2024 | 6 | 8 |
| 2025 | 7 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Absorbent articles with different types of channels23 Jun 2026US 12,661,280 B2The Procter & Gamble Company
- Transfer pad with moisture control16 Jun 2026US 12,653,726 B2EHOB, Inc.
- Feminine hygiene pad with differing functional arrangements of topsheet apertures12 May 2026US 12,622,820 B2The Procter & Gamble Company
- Nonwoven and absorbent articles containing the same5 May 2026US 12,616,619 B2The Procter & Gamble Company
- Wearable article comprising an elastic laminate2 Dec 2025US 12,485,045 B2The Procter & Gamble Company
- Absorbent article and method for making an absorbent article2 Apr 2026US 2026/0090926 A1The Procter & Gamble Company
- Absorbent article having one or more layers including cellulosic fibers19 Jun 2025US 2025/0195296 A1The Procter & Gamble Company
- Perineal thermal pack with improved liquid containment12 Dec 2024US 2024/0407944 A1Allegiance Corporation
- Acquisition and distribution composite, absorbent hygiene article and method of production17 Oct 2024US 2024/0342018 A1Nitto Denko Corporation
- Perineal thermal pack with improved liquid containment19 Sep 2024US 2024/0307217 A1Allegiance Corporation
Most cited
By later US patents
- Absorbent article with dynamic elastic waist feature comprising an expansive tummy panel332US 5,507,736 AThe Procter & Gamble Company · 1996
- Absorbent article with elastic waist feature and enhanced absorbency168US 5,234,423 AThe Procter & Gamble Company · 1993
- Absorbent article with dynamic elastic waist feature comprising an expansive tummy panel155US 5,196,000 AThe Proctor & Gamble Company · 1993
- Macroscopically expanded plastic web having improved fluid drainage92US 5,368,910 AThe Procter & Gamble Company · 1994
- Clean dry facing needled composite85US 5,470,326 AMcNeil-PPC, Inc. · 1995