C07C 17/392
By crystallisation
Official title: by crystallisation; Purification or separation of the crystals
C07C17/392 (By crystallisation) appears on 26 US grants and 16 published applications in this corpus.
Search patents in C07C- Granted patents
- 26
- Published applications
- 16
- Assignees
- 28
- Inventors
- 76
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 5 |
| 2011 | 0 | 0 |
| 2012 | 4 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for recovering raw and auxiliary materials in the production of lithium bis(fluorosulfonyl)imide9 Jun 2026US 12,649,659 B2Catl-Sicong Novel Materials Co., Ltd
- Butene conversion method and monofluorobutane purification method12 Nov 2019US 10,472,308 B2Zeon Corporation
- Continuous crystallisation process of iodinated phenyl derivatives9 Sep 2014US 8,829,241 B2Ge Healthcare Limited
- Method for separating halocarbons9 Jul 2013US 8,481,793 B2Honeywell International Inc.
- Method of preparing iodinated aromatic compounds13 Nov 2012US 8,309,775 B2SK Chemicals Co., Ltd.
- Method of selective paradichlorobenzene preparation with improved catalytic system recovery23 May 2024US 2024/0166584 A1PCC Rokita Spolka Akcyjna
- Method for recovering raw and auxiliary materials in the production of lithium bis(fluorosulfonyl)imide18 Jan 2024US 2024/0017999 A1Catl-Sicong Novel Materials Co., Ltd
- Butene conversion method and monofluorobutane purification method13 Jun 2019US 2019/0177253 A1Zeon Corporation
- Method for separating halocarbons22 Nov 2012US 2012/0296128 A1Honeywell International Inc.
- Method for separation of olefin-alcohol azeotropic mixture25 Nov 2010US 2010/0298595 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Brominated diphenylalkane products and processes39US 5,457,248 AGreat Lakes Chemical Corporation · 1995
- Method for separating halocarbons13US 8,252,965 B2Honeywell International Inc. · 2012
- Method for separating halocarbons8US 8,481,793 B2Honeywell International Inc. · 2013
- Tetrafluorophenethylaralkylamine compounds6US 3,978,127 AMerck & Co., Inc. · 1976
- Process for preparing mono-iodinated aromatic compound4US 5,856,596 AFuji Xerox Co., Ltd. · 1999