D01F 9/1276
Aromatics
Official title: {Aromatics, e.g. toluene}
D01F9/1276 (Aromatics) appears on 32 US grants and 21 published applications in this corpus.
Search patents in D01F- Granted patents
- 32
- Published applications
- 21
- Assignees
- 22
- Inventors
- 75
- Latest grant
- 12 Feb 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 2 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fine carbon fiber with linearity and resin composite material using the same12 Feb 2013US 8,372,511 B2Showa Denko K. K.
- Fine carbon fibrous structure8 May 2012US 8,173,261 B2Hodogaya Chemical Co., Ltd.
- Fine carbon fiber with linearity and resin composite material using the same27 Dec 2011US 8,084,121 B2Showa Denko K. K.
- Production method of vapor-grown carbon fiber and apparatus therefor7 Dec 2010US 7,846,415 B2Showa Denko K. K.
- Crimped carbon fiber and production method thereof10 Aug 2010US 7,771,694 B2Showa Denko K. K.
- Method for recycling an effluent gas from chemical vapor deposition or infiltration30 Apr 2026US 2026/0117374 A1Safran Landing Systems
- Fine Carbon Fiber with Linearity and Resin Composite Material Using the Same3 May 2012US 2012/0107599 A1Showa Denko K. K.
- Process for the continuous production of aligned carbon nanotubes4 Nov 2010US 2010/0279009 A1
- Crimped carbon fiber and production method thereof14 Oct 2010US 2010/0261062 A1Showa Denko K. K.
- Carbon nanofibers, method of producing the same, and carbon fiber composite material14 Jan 2010US 2010/0009204 A1Mefs Kabushiki Kaisha
Most cited
By later US patents
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- Carbon fibrils and method for producing same250US 5,165,909 AHyperion Catalysis Int'l., Inc. · 1992
- Process for preparing fine carbon fibers in a gaseous phase reaction148US 4,572,813 ANikkiso Co., Ltd. · 1986
- Carbon fibrils144US 5,707,916 AHyperion Catalysis International, Inc. · 1998
- Carbon fibrils, method for producing same, and encapsulated catalyst108US 5,171,560 AHyperion Catalysis International, Inc. · 1992