D04H 1/28
Regenerated cellulose series
D04H1/28 (Regenerated cellulose series) appears on 30 US grants and 49 published applications in this corpus.
Search patents in D04H- Granted patents
- 30
- Published applications
- 49
- Assignees
- 29
- Inventors
- 102
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 5 |
| 2017 | 0 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 2 |
| 2020 | 1 | 12 |
| 2021 | 3 | 4 |
| 2022 | 7 | 4 |
| 2023 | 4 | 6 |
| 2024 | 2 | 1 |
| 2025 | 5 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nonwoven fabric and the production thereof18 Nov 2025US 12,473,673 B2Suominen Corporation
- Sustainably-sourced, high strength non woven8 Jul 2025US 12,351,987 B2Fybervek Holdings LLC
- Hydro-entangled filter material for smoking products10 Jun 2025US 12,324,456 B2delfortgroup AG
- Soft and strong tissue product including regenerated cellulose fibers18 Mar 2025US 12,252,845 B2Kimberly-Clark Worldwide, Inc.
- Air laying device4 Feb 2025US 12,215,447 B2Voith Patent GmbH
- High Strength Hydroentangled Sheet Containing Non-Wood Fibers8 Oct 2026US 2026/0308824 A1Kimberly-Clark Worldwide, Inc.
- Sustainably-Sourced, High Strength Non Woven25 Sep 2025US 2025/0297427 A1Fybervek Holdings LLC
- Air laying device31 Jul 2025US 2025/0243615 A1Voith Patent GmbH
- Nonwoven substrates and methods of making the same23 Jan 2025US 2025/0027242 A1The Procter & Gamble Company
- Towel products comprising regenerated cellulose fiber9 Jan 2025US 2025/0012014 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- Back-to-back transition web and method of making said30US 3,952,124 AJohnson & Johnson · 1976
- Method for the production of polysaccharide fibers with an increased fibrillation tendency13US 10,030,323 B2Lenzing Aktiengesellschaft · 2018
- Paper composition cellulose and cellulose ester for improved texturing8US 11,332,888 B2Eastman Chemical Company · 2022
- Highly absorbent polysaccharide fiber and use thereof2US 10,220,111 B2Lenzing Aktiengesellschaft · 2019
- Liquid-retaining sheet and facial mask2US 9,890,487 B2Kuraray Kuraflex Co., Ltd. · 2018