D01D 5/423
By fibrillation of films or filaments
Official title: {by fibrillation of films or filaments}
D01D5/423 (By fibrillation of films or filaments) appears on 95 US grants and 94 published applications in this corpus.
Search patents in D01D- Granted patents
- 95
- Published applications
- 94
- Assignees
- 60
- Inventors
- 199
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 4 |
| 2005 | 3 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 2 | 5 |
| 2010 | 3 | 6 |
| 2011 | 2 | 5 |
| 2012 | 2 | 7 |
| 2013 | 3 | 3 |
| 2014 | 5 | 5 |
| 2015 | 6 | 3 |
| 2016 | 2 | 6 |
| 2017 | 3 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 6 |
| 2020 | 3 | 3 |
| 2021 | 5 | 4 |
| 2022 | 1 | 9 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fibrillated fiber and method for preparing the same5 May 2026US 12,617,938 B2LG Chem.Ltd.
- Carbon fibers and method of fabrication thereof24 Feb 2026US 12,559,869 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Polymer complex10 Feb 2026US 12,545,775 B2LG Chem.Ltd.
- Dissolvable fibrous web structure article comprising active agents16 Sep 2025US 12,416,103 B2
- Polymer complex9 Sep 2025US 12,410,309 B2LG Chem.Ltd.
- Textile bonded by a binder based on polyelectrolytes having opposite charge polarities23 Jul 2026US 2026/0210011 A1Saint-Gobain Adfors
- Oral cavity cleaning composition, method, and apparatus1 May 2025US 2025/0134782 A1Protegera, Inc.
- Method and device for producing a nonwoven product and the nonwoven product so produced18 Apr 2024US 2024/0125024 A1Mcairlaid's Vliesstoffe GmbH & Co. KG
- Fibrillated Fiber And Method For Preparing The Same31 Aug 2023US 2023/0272557 A1LG Chem.Ltd.
- Carbon fibers and method of fabrication thereof23 Feb 2023US 2023/0057063 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
Most cited
By later US patents
- Method for building three-dimensional models in extrusion-based digital manufacturing systems using ribbon filaments296US 8,221,669 B2Stratasys, Inc. · 2012
- Charged microfibers, microfibrillated articles and use thereof116US 6,420,024 B13M Innovative Properties Company · 2002
- Microfibers and method of making109US 6,110,588 A3M Innovative Properties Company · 2000
- Aliphatic polyester microfibers, microfibrillated articles and use thereof93US 6,645,618 B23M Innovative Properties Company · 2003
- Aliphatic polyester microfibers, microfibrillated articles and use thereof93US 6,890,649 B23M Innovative Properties Company · 2005