C07C 315/06
Separation
Official title: Separation; Purification; Stabilisation; Use of additives
C07C315/06 (Separation) appears on 93 US grants and 106 published applications in this corpus.
Search patents in C07C- Granted patents
- 93
- Published applications
- 106
- Assignees
- 74
- Inventors
- 316
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 3 | 5 |
| 2007 | 5 | 2 |
| 2008 | 3 | 7 |
| 2009 | 2 | 5 |
| 2010 | 3 | 9 |
| 2011 | 6 | 5 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 6 | 4 |
| 2015 | 6 | 3 |
| 2016 | 2 | 7 |
| 2017 | 4 | 1 |
| 2018 | 1 | 4 |
| 2019 | 5 | 1 |
| 2020 | 0 | 6 |
| 2021 | 6 | 4 |
| 2022 | 0 | 12 |
| 2023 | 1 | 3 |
| 2024 | 1 | 5 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for separation of methionine sulfoxide diastereomers26 May 2026US 12,637,420 B2Caltech
- Process for synthesizing triarylmethane sulfone compounds7 Apr 2026US 12,595,228 B2Provepharm Life Solutions
- Method for preparing carbonyl sulfone8 Jul 2025US 12,351,548 B2Soochow University
- Glucagon receptor antagonists28 Jan 2025US 12,208,071 B2Ligand Pharmaceuticals Incorporated
- Process for producing 4,4′-dichlorodiphenyl sulfoxide17 Dec 2024US 12,168,642 B2BASF SE
- Process for the preparation of 2-alkylsulfonyl substituted benzoic acid derivatives16 Jul 2026US 2026/0200841 A1Adama Agan Ltd.
- Use and Preparation Method of Sulfoxamyl, and Oxidation System10 Jul 2025US 2025/0221413 A1Ningxia Hugerise Chemical Co., Ltd.
- Ultrafast flow synthesis of functionalized sulfonyl fluorides and subsequent sufex connections via lithiated chemistry12 Jun 2025US 2025/0188046 A1Postech Research and Business Development Foundation
- A process for the preparation of 2-nitro-4-(methylsulfonyl)benzoic acid25 Jul 2024US 2024/0246906 A1
- Acid addition salt of rock inhibitor, and crystal form, composition and pharmaceutical use thereof18 Jul 2024US 2024/0239735 A1Wuhan Ll Science and Technology Development Co., Ltd.
Most cited
By later US patents
- Stereoisomeric enrichment of 2-amino-3-hydroxy-3-phenylpropionic acids using d-threonine aldolase38US 5,346,828 ACelgene Corporation · 1994
- Method for the production of crystalline forms and crystalline forms of optical enantiomers of modafinil30US 7,132,570 B2Cephalon France · 2006
- Deodorization of sulfur-containing solvents by oxidation16US 6,042,640 AXerox Corporation · 2000
- Process and apparatus for making ultra-pure DMSO15US 6,414,194 B1Gaylord Chemical Corporation · 2002
- Process for producing diphenyl sulfone compound13US 6,831,201 B2Nippon Soda Co., Ltd. · 2004