C10C 1/08
Winning of aromatic fractions
C10C1/08 (Winning of aromatic fractions) appears on 4 US grants and 3 published applications in this corpus.
Search patents in C10C- Granted patents
- 4
- Published applications
- 3
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 27 Jan 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and a process for obtaining high purity phenanthrene from phenanthrene enriched coal tar fraction27 Jan 2009US 7,481,908 B2Council of Scientific and Industrial Research
- Process for preparing debenzolized tar and low-benzene centrifuged tar sludge24 May 1994US 5,314,609 AAristech Chemical Corporation
- Method of purifying coal tars for use in the production of carbon products17 Oct 1989US 4,874,502 AMaruzen Petrochemical Co., Ltd.
- Process for the preparation of an intermediate pitch for manufacturing carbon products10 Nov 1987US 4,705,618 AMaruzen Petrochemical Co., Ltd.
- Process for pyrolyzing coal using a recycled hydrogen donor21 May 2015US 2015/0136580 A1Uop LLC
- Purification of phenols14 Oct 2004US 2004/0200717 A1Merisol (RSA) (Proprietary) Limited
- System and a process for obtaining high purity phenanthrene from phenanthrene enriched coal tar fraction2 Oct 2003US 2003/0183499 A1Council of Scientific and Industrial Research
Most cited
By later US patents