C07C 249/14
Separation
Official title: Separation; Purification; Stabilisation; Use of additives
C07C249/14 (Separation) appears on 29 US grants and 19 published applications in this corpus.
Search patents in C07C- Granted patents
- 29
- Published applications
- 19
- Assignees
- 25
- Inventors
- 81
- Latest grant
- 26 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Treatment of degraded oxime metal extractants in process organic solutions26 May 2020US 10,662,499 B2Outotec (Finland) Oy
- Method for synthesizing ketoxime19 May 2020US 10,654,795 B2Chemical Technology Academy of Shandong Province
- Method for producing mycosporine-like amino acid using microbes4 Jun 2019US 10,307,356 B2Nagase & Co., Ltd.
- Process for the preparation of exametazime9 Apr 2019US 10,252,986 B2Jubilant Generics Limited
- Metabolites and oximes with vasodilator and hypotensive activity30 May 2017US 9,663,453 B2Universidad de Antofagasta
- Method for synthesizing ketoxime2 Jan 2020US 2020/0002270 A1Chemical Technology Academy of Shandong Province
- Treatment of degraded oxime metal extractants in process organic solutions15 Mar 2018US 2018/0073099 A1Outotec (Finland) Oy
- Method for producing mycosporine-like amino acid using microbes20 Jul 2017US 2017/0202762 A1Nagase & Co., Ltd.
- Process for the preparation of exametazime19 Jan 2017US 2017/0015620 A1Jubilant Life Sciences Limited
- Metabolites and oximes with vasodilator and hypotensive activity12 May 2016US 2016/0130219 A1Universidad de Antofagasta
Most cited
By later US patents
- Ammoximation of ketones and work-up by pervaporation/vapor permeation26US 6,639,108 B2Degussa AG · 2003
- Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system23US 6,620,970 B2Degussa AG · 2003
- Purification process7US 3,960,955 ATexaco Inc. · 1976
- Process for the production of anhydrous oxime from an aqueous solution5US 4,868,334 AAllied-Signal Inc. · 1989
- Removing aqueous ammonium sulfate from oxime product2US 4,256,668 AAllied Chemical Corporation · 1981