D01F 6/80
From copolyamides
Official title: from copolyamides
D01F6/80 (From copolyamides) appears on 163 US grants and 157 published applications in this corpus.
Search patents in D01F- Granted patents
- 163
- Published applications
- 157
- Assignees
- 75
- Inventors
- 395
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 1 |
| 2006 | 2 | 4 |
| 2007 | 3 | 5 |
| 2008 | 2 | 3 |
| 2009 | 1 | 15 |
| 2010 | 3 | 12 |
| 2011 | 4 | 4 |
| 2012 | 3 | 7 |
| 2013 | 5 | 10 |
| 2014 | 7 | 13 |
| 2015 | 5 | 15 |
| 2016 | 8 | 3 |
| 2017 | 11 | 7 |
| 2018 | 5 | 11 |
| 2019 | 9 | 5 |
| 2020 | 3 | 5 |
| 2021 | 2 | 9 |
| 2022 | 2 | 4 |
| 2023 | 0 | 8 |
| 2024 | 5 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fibers of polymers that have a backbone including a positively charged component of a zwitterionic moiety, and their use in implantable therapeutic delivery systems24 Feb 2026US 12,559,867 B2Cornell University
- Continuous process for recycling11 Nov 2025US 12,467,162 B2Teijin Aramid B.V.
- Filament and fishing line3 Jun 2025US 12,320,038 B2Mitsubishi Gas Chemical Company, Inc.
- Modified polyamide, method of preparing the same, and single component fiber20 May 2025US 12,305,001 B2Taiwan Textile Research Institute
- 3-D printed semi-crystalline and amorphous polymer articles4 Feb 2025US 12,215,220 B2Arkema France
- Polyamide fabrics with reduced carbon footprint on dyeing10 Sep 2026US 2026/0265995 A1Nilit Ltd.
- Resin sheet and resin molding18 Sep 2025US 2025/0290232 A1Maxell, Ltd.
- Hexavalent substituted benzenes8 May 2025US 2025/0145767 A1Northeastern University
- Para-aramid staple fiber, aramid spun yarn and manufacturing method threof7 Nov 2024US 2024/0368808 A1Kolon Industries, Inc.
- Resin composition and molded article24 Oct 2024US 2024/0352191 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Process if making fine fiber material131US 6,955,775 B2Donaldson Company, Inc. · 2005
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures120US 6,924,028 B2Donaldson Company, Inc. · 2005
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures104US 7,070,640 B2Donaldson Company, Inc. · 2006
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures92US 7,179,317 B2Donaldson Company, Inc. · 2007