D01F 9/30
From aromatic polyamides
Official title: from aromatic polyamides
D01F9/30 (From aromatic polyamides) appears on 9 US grants and 4 published applications in this corpus.
Search patents in D01F- Granted patents
- 9
- Published applications
- 4
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 3 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Precursor fiber for carbon fibers, carbon fiber, and method for producing carbon fiber3 Oct 2017US 9,777,408 B2National Institute of Advanced Industrial Science and Technology
- Gas separation using adsorbent activated carbonized polyarylamides14 Feb 1995US 5,389,350 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
- Stabilized and carbonaceous expanded fibers24 Jan 1995US 5,384,193 AThe Dow Chemical Company
- Batting thermal insulation with fire resistant properties4 Jan 1994US 5,275,875 AThe Dow Chemical Company
- Stabilized and carbonaceous expanded fibers23 Feb 1993US 5,188,893 AThe Dow Chemical Company
- Carbon-Fiber Precursor Fiber, Carbon Fiber, and Method for Producing Carbon Fiber3 Dec 2020US 2020/0378036 A1Natl Institute of Advanced Indus. Science & Tech.
- Carbon-Fiber Precursor Fiber, Carbon Fiber, and Method for Producing Carbon Fiber16 Nov 2017US 2017/0327973 A1National Institute of Advanced Industrial Science and Technology
- Activated carbon fiber and preparation method therefor15 Sep 2016US 2016/0265144 A1Kolon Industries, Inc.
- Precursor Fiber for Carbon Fibers, Carbon Fiber, and Method for Producing Carbon Fiber12 Nov 2015US 2015/0322593 A1National Institute of Advanced Industrial Science and Technology
Most cited
By later US patents
- Method for adsorbing harmful substance34US 4,046,525 AToyobo Co., Ltd. · 1977
- Internal chemical modification of carbon fibers to yield a product of reduced electrical conductivity16US 4,073,869 ACelanese Corporation · 1978
- Stabilized and carbonaceous expanded fibers14US 5,384,193 AThe Dow Chemical Company · 1995
- Batting thermal insulation with fire resistant properties13US 5,275,875 AThe Dow Chemical Company · 1994
- Batting thermal insulation with fire resistant properties12US 5,188,896 AThe Dow Chemical Company · 1993