C07C 51/60
By conversion of carboxylic acids or their anhydrides or esters, lactones, salts
Official title: by conversion of carboxylic acids or their anhydrides {or esters, lactones, salts} into halides with the same carboxylic acid part
C07C51/60 (By conversion of carboxylic acids or their anhydrides or esters, lactones, salts) appears on 312 US grants and 156 published applications in this corpus.
Search patents in C07C- Granted patents
- 312
- Published applications
- 156
- Assignees
- 171
- Inventors
- 752
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 9 | 0 |
| 1978 | 29 | 0 |
| 1979 | 13 | 0 |
| 1980 | 13 | 0 |
| 1981 | 14 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 3 |
| 2003 | 4 | 15 |
| 2004 | 6 | 8 |
| 2005 | 6 | 14 |
| 2006 | 11 | 7 |
| 2007 | 8 | 5 |
| 2008 | 6 | 9 |
| 2009 | 5 | 8 |
| 2010 | 3 | 3 |
| 2011 | 7 | 6 |
| 2012 | 2 | 4 |
| 2013 | 3 | 5 |
| 2014 | 8 | 7 |
| 2015 | 3 | 4 |
| 2016 | 5 | 5 |
| 2017 | 2 | 7 |
| 2018 | 4 | 4 |
| 2019 | 7 | 8 |
| 2020 | 7 | 7 |
| 2021 | 5 | 5 |
| 2022 | 1 | 6 |
| 2023 | 1 | 4 |
| 2024 | 4 | 7 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the preparation of (9S)-2-bromo-9-(2,3,4-trifluorophenyl)-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[1,5-A]azepine6 Oct 2026US 12,753,175 B2Hoffmann-La Roche Inc.
- Processes for producing trifluoroiodomethane and trifluoroacetyl iodide22 Apr 2025US 12,281,053 B2Honeywell International Inc.
- Synthesis of trifluoroacetyl iodide (TFAI) from trifluoroacetyl chloride (TFAC) and hydrogen iodide (HI) in a liquid phase reaction10 Sep 2024US 12,084,412 B2Honeywell International Inc.
- Process for preparing pitolisant hydrochloride and solid-state forms thereof2 Apr 2024US 11,945,788 B2Nuray Chemicals Private Limited
- Aminated lignin-derived compounds and uses thereof6 Feb 2024US 11,891,349 B2CMBlu Energy AG
- Continuous deoxyfluorination with sf41 Oct 2026US 2026/0296993 A1Lonza Ltd.
- Synthesis methods and intermediates for the production of remimbrutinib23 Jul 2026US 2026/0209185 A1Novartis AG
- Recycled content dimethyl terephthalate and related chemical components from waste plastic5 Feb 2026US 2026/0035533 A1Eastman Chemical Company
- 1-(cyclobutanemethylidene)-2, 4, 5-trimethoxybenzene compound and preparation method and use thereof28 Aug 2025US 2025/0270159 A1Chengdu Xinrui Taikang Technology Co., Ltd.
- An integrated process for producing trifluoroiodomethane26 Dec 2024US 2024/0425435 A1Honeywell International Inc.
Most cited
By later US patents
- Process for converting perfluorinated esters to perfluorinated acyl fluorides and/or ketones85US 5,466,877 AMinnesota Mining and Manufacturing Company · 1995
- Herbicidal 3-isoxazolidinones and hydroxamic acids46US 4,405,357 AFMC Corporation · 1983
- Triphenylalkene derivatives37US 4,623,660 AImperial Chemical Industries PLC · 1986
- M-phenoxybenzyl and .alpha.-cyano-M-phenoxybenzyl esters of 2-haloalkyl (oxy-, thio-, sulfinyl-, or sulfonyl)phenylalkanoic acids30US 4,199,595 AAmerican Cyanamid Company · 1980
- Perfluorinated acid fluorides and preparation thereof29US 6,482,979 B13M Innovative Properties Company · 2002