D01F 6/905
Of aromatic polyamides
Official title: {of aromatic polyamides}
D01F6/905 (Of aromatic polyamides) appears on 39 US grants and 25 published applications in this corpus.
Search patents in D01F- Granted patents
- 39
- Published applications
- 25
- Assignees
- 20
- Inventors
- 97
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 4 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flame-resistant garments and fabrics with yarns comprising a polymer blend of meta-aramid and polyvinylpyrrolidone17 Mar 2026US 12,577,397 B2Dupont Safety & Construction, Inc.
- High-elongation meta-aramid fiber, preparation method and apparatus30 Dec 2025US 12,509,803 B2Tayho Advanced Materials Group Co., Ltd.
- Continuous process for recycling11 Nov 2025US 12,467,162 B2Teijin Aramid B.V.
- Method of manufacturing an aramid and carbon-nanotube composite fiber16 Apr 2024US 11,959,193 B2Korea Institute of Science and Technology
- Filament compositions for fused filament fabrication and methods of use thereof4 Jul 2023US 11,692,063 B2DuPont Polymers, Inc.
- Recycled nylon for use in garments7 Nov 2024US 2024/0368809 A1
- High-elongation meta-aramid fiber, preparation method and apparatus4 Jul 2024US 2024/0218567 A1Tayho Advanced Materials Group Co., Ltd.
- Filament, material, and method for producing the material14 Dec 2023US 2023/0399772 A1Mitsubishi Gas Chemical Company, Inc.
- Flame-resistant garments and fabrics with yarns comprising a polymer blend of meta-aramid and polyvinylpyrrolidone27 Jul 2023US 2023/0235173 A1Dupont Safety & Construction, Inc.
- Spinning dope for aramid and carbon-nanotube composite fiber and method of manufacturing aramid and carbon-nanotube composite fiber using same13 Apr 2023US 2023/0114595 A1Korea Institute of Science and Technology
Most cited
By later US patents
- Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fibers (PVP/PPD-T)21US 5,073,440 AE. I. Du Pont de Nemours and Company · 1991
- Oriented, shape articles of lyotropic/thermally-consolidatable polymer blends17US 5,366,781 AE. I. Du Pont de Nemours and Company · 1994
- Fibers and fibrets from blends of polybezimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkages15US 5,250,633 AHoechst Celanese Corporation · 1993
- Wholly aromatic polyamide blend composition11US 4,245,066 ATeijin Limited · 1981
- Process for making oriented, shaped articles of para-aramid/thermally-consolidatable polymer blends10US 5,011,643 AE. I. Du Pont de Nemours and Company · 1991