C01D 3/18
With selective solvents
Official title: with selective solvents
C01D3/18 (With selective solvents) appears on 6 US grants and 6 published applications in this corpus.
Search patents in C01D- Granted patents
- 6
- Published applications
- 6
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 31 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for treating waste saline water produced in production process of diphenylmethane diisocyanate (MDI)31 Oct 2017US 9,802,848 B2Wanhua Chemical (Ningbo) Co., Ltd.
- Method of producing naturally purified salt products10 Feb 2015US 8,951,305 B2Cargill, Incorporated
- Treatment of molten salt reprocessing wastes22 Oct 2002US 6,468,495 B1British Nuclear Fuels plc
- Process for manufacturing polyarylene sulfide3 Jun 1997US 5,635,587 AIdemitsu Petrochemical Co., Ltd.
- Process and solvent for extraction of the chromates present in an aqueous solution1 May 1984US 4,446,026 AKrebs & Cie
- Method of purifying sodium bromide from waste circuit boards pyrolysis coke7 Oct 2021US 2021/0309533 A1Beijing University of Technology
- Method for treating waste saline water produced in production process of diphenylmethane diisocyanate (mdi)5 Jul 2012US 2012/0168375 A1Beijing University of Chemical Technology
- Method of producing naturally purified salt products22 Mar 2012US 2012/0066868 A1Cargill, Incorporated
- Reduction of the concentration of undesired compounds9 Aug 2007US 2007/0183962 A1
- Preparation of waste water containing sodium chloride for use in chlor-alkali electrolysis2 Jun 2005US 2005/0115901 A1
Most cited
By later US patents
- Process for manufacturing polyarylene sulfide23US 5,635,587 AIdemitsu Petrochemical Co., Ltd. · 1997
- Process and solvent for extraction of the chromates present in an aqueous solution10US 4,446,026 AKrebs & Cie · 1984
- Purification method6US 4,215,009 AOronzio deNora Impianti Elettrochimici S.p.A. · 1980
- Treatment of molten salt reprocessing wastes6US 6,468,495 B1British Nuclear Fuels plc · 2002