D01F 6/40
Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile
D01F6/40 (Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile) appears on 63 US grants and 70 published applications in this corpus.
Search patents in D01F- Granted patents
- 63
- Published applications
- 70
- Assignees
- 31
- Inventors
- 169
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 3 |
| 2018 | 0 | 9 |
| 2019 | 3 | 2 |
| 2020 | 5 | 2 |
| 2021 | 1 | 5 |
| 2022 | 1 | 3 |
| 2023 | 0 | 6 |
| 2024 | 7 | 12 |
| 2025 | 4 | 9 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Colored fiber, method for manufacturing colored fiber, and fiber product29 Sep 2026US 12,747,518 B2Kaneka Corporation
- Block copolymer porous carbon fibers and uses thereof25 Aug 2026US 12,715,819 B2Virginia Tech Intellectual Properties, Inc.
- Antibacterial acrylic artificial hair fibers, hair ornament product including same, and method for producing same18 Aug 2026US 12,709,836 B2Kaneka Corporation
- Ultraviolet blocking acrylic fibers, ultraviolet blocking fabric and fiber product containing the same, and method for manufacturing the same23 Jun 2026US 12,662,756 B2Kaneka Corporation
- Flame-retardant fabric and work clothing23 Dec 2025US 12,503,796 B2Kaneka Corporation
- Polyacrylonitrile-based artificial hair, head ornament product including the same, and method for producing same18 Jun 2026US 2026/0165402 A1Kaneka Corporation
- Polyacrylonitrile-based fiber bundle for artificial hair, headdress product containing same, and method for manufacturing same1 Jan 2026US 2026/0002289 A1Kaneka Corporation
- Modacrylic fiber, flame-retardant fiber assembly containing same, and method for manufacturing same25 Dec 2025US 2025/0389059 A1Kaneka Corporation
- Modacrylic fiber and flame-retardant fiber assembly including same18 Dec 2025US 2025/0382729 A1Kaneka Corporation
- Precursor Stabilisation Process17 Apr 2025US 2025/0122649 A1Deakin University
Most cited
By later US patents
- Flame-retarded composite fiber58US 5,208,105 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1993
- Flame-retarded bedding product43US 5,506,042 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1996
- Flame-retarded composite fiber37US 5,348,796 AKanegafuchi Kogaku Kogyo Kabushiki Kaisha · 1994
- Flame-retarded composite fiber36US 4,863,797 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1989
- Flame-retarded clothing15US 5,503,916 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1996