D04H 1/548
Acrylonitrile series
D04H1/548 (Acrylonitrile series) appears on 5 US grants and 9 published applications in this corpus.
Search patents in D04H- Granted patents
- 5
- Published applications
- 9
- Assignees
- 10
- Inventors
- 37
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- High temperature flexible insulation for extreme environments6 May 2025US 12,290,709 B2Sundance Management LLC
- Nanofiber for filter medium, filter medium comprising same, method for producing same, and filter unit comprising same8 Sep 2020US 10,766,000 B2Amogreentech Co., Ltd.
- Ultrathin, porous and mechanically stable nonwoven fabric and method for manufacturing24 Feb 2015US 8,962,127 B2Carl Freudenberg KG
- Process for manufacture of triboelectrically charged nonwovens15 Apr 2003US 6,547,860 B2Firma Carl Freudenberg
- Short fiber-containing down-feather wadding and process for producing the same15 May 2001US 6,232,249 B1
- Separator for electrochemical devices and method for manufacturing same separator8 May 2025US 2025/0149735 A1LG Energy Solution, Ltd.
- High Temperature Flexible Insulation For Extreme Environments21 Sep 2023US 2023/0294379 A1Miller Scientific Inc.
- Flexible heat barrier and fire shelter for wildland firefighters made therefrom13 Jul 2023US 2023/0218936 A1Sundance Management LLC
- Efficient low-resistance micro-nano-fiber microscopic gradient structure filtration material, and preparation method therefor27 May 2021US 2021/0154606 A1Guangzhou Fiber Product Testing and Research Institute
- Nanofiber for filter medium, filter medium comprising same, method for producing same, and filter unit comprising same23 Aug 2018US 2018/0236403 A1Amogreentech Co., Ltd.
Most cited
By later US patents