D01F 6/60
From polyamides
Official title: from polyamides (from polyamino acids or polypeptides D01F6/68)
D01F6/60 (From polyamides) appears on 689 US grants and 641 published applications in this corpus.
Search patents in D01F- Granted patents
- 689
- Published applications
- 641
- Assignees
- 344
- Inventors
- 1,820
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 16 | 0 |
| 1991 | 16 | 0 |
| 1992 | 19 | 0 |
| 1993 | 19 | 0 |
| 1994 | 22 | 0 |
| 1995 | 17 | 0 |
| 1996 | 16 | 0 |
| 1997 | 20 | 0 |
| 1998 | 21 | 0 |
| 1999 | 25 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 4 |
| 2002 | 20 | 17 |
| 2003 | 17 | 19 |
| 2004 | 13 | 17 |
| 2005 | 14 | 29 |
| 2006 | 11 | 21 |
| 2007 | 2 | 13 |
| 2008 | 4 | 14 |
| 2009 | 13 | 24 |
| 2010 | 19 | 28 |
| 2011 | 10 | 25 |
| 2012 | 7 | 16 |
| 2013 | 14 | 28 |
| 2014 | 13 | 15 |
| 2015 | 10 | 24 |
| 2016 | 10 | 27 |
| 2017 | 20 | 30 |
| 2018 | 9 | 33 |
| 2019 | 23 | 35 |
| 2020 | 16 | 35 |
| 2021 | 19 | 38 |
| 2022 | 13 | 29 |
| 2023 | 15 | 33 |
| 2024 | 18 | 41 |
| 2025 | 16 | 26 |
| 2026 | 12 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Para-aramid staple fiber, aramid spun yarn and manufacturing method threof22 Sep 2026US 12,742,260 B2Kolon Industries, Inc.
- Breathable and waterproof cloth and manufacturing method thereof15 Sep 2026US 12,734,783 B2Taiwan Textile Research Institute
- Method and device for preparing modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning1 Sep 2026US 12,723,329 B2Zhuzhou Times New Material Technology Co., Ltd.
- High-porosity nanofiber nonwovens as a support structure for stromal tissue28 Jul 2026US 12,691,203 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Aramid nanofiber filaments and related methods14 Jul 2026US 12,680,197 B2The Regents of the University of Michigan
- Copolyamide resin, and composition, molded article, film and monofilament containing same24 Sep 2026US 2026/0286050 A1Ube Corporation
- Cord and method for manufacturing the same24 Sep 2026US 2026/0286604 A1Kolon Industries, Inc.
- Immersed rotary jet spinning devices (irjs) and uses thereof3 Sep 2026US 2026/0258581 A1President and Fellows of Harvard College
- Nylon 66 fibers and woven/knit article27 Aug 2026US 2026/0250887 A1Toray Industries, Inc.
- Polyamide fiber23 Jul 2026US 2026/0209997 A1Toray Industries, Inc.
Most cited
By later US patents
- Antimicrobial compositions, process for preparing the same and use177US 5,180,585 AE. I. Du Pont de Nemours and Company · 1993
- Antimicrobial compositions, process for preparing the same and use110US 5,503,840 AE. I. Du Pont de Nemours and Company · 1996
- Wet spinning process for aramid polymer containing salts106US 5,667,743 AE. I. Du Pont de Nemours and Company · 1997
- Antimicrobial particles of silver and barium sulfate or zinc oxide77US 5,595,750 AE. I. Du Pont de Nemours and Company · 1997
- Colored articles and compositions and methods for their fabrication74US 5,932,309 AAlliedSignal Inc. · 1999