C07C 53/50
Of acids containing three or more carbon atoms
Official title: of acids containing three or more carbon atoms
C07C53/50 (Of acids containing three or more carbon atoms) appears on 71 US grants and 8 published applications in this corpus.
Search patents in C07C- Granted patents
- 71
- Published applications
- 8
- Assignees
- 33
- Inventors
- 103
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Processes to produce brivaracetam11 Feb 2025US 12,221,413 B2Suzhou Pengxu Pharmatech Co., Ltd.
- Processes to produce brivaracetam13 Jun 2023US 11,673,862 B2Suzhou Pengxu Pharmatech Co., Ltd.
- Perfluoro diacyl peroxide as polymerization initiator and polymer preparation method7 Feb 2023US 11,572,343 B2Daikin Industries, Ltd.
- Processes to produce brivaracetam5 Mar 2019US 10,221,134 B2Esteve Quimica, S.A.
- Method of producing acid halide and acid halide20 May 2014US 8,729,302 B2FUJIFILM Corporation
- Processes to produce brivaracetam20 Jun 2024US 2024/0199541 A9Suzhou Pengxu Pharmatech Co., Ltd.
- Perfluoro diacyl peroxide, solution, polymerization initiator, polymer preparation method, and perfluoro acyl chloride4 Feb 2021US 2021/0032201 A1Daikin Industries, Ltd.
- Processes to produce brivaracetam23 May 2019US 2019/0152908 A1ESTEVE QUIMlCA S.A.
- Processes to produce brivaracetam23 May 2019US 2019/0152909 A1ESTEVE QUIMlCA S.A.
- Processes to produce brivaracetam7 Jun 2018US 2018/0155284 A1
Most cited
By later US patents
- Semifluorinated side chain-containing polymers47US 5,907,017 ACornell Research Foundation, Inc. · 1999
- Alpha-branched fluoroalkylcarbonyl fluorides and their derivatives33US 6,013,795 A3M Innovative Properties Company · 2000
- Lithium 3-triphenylmethoxy-1-trans-alkenyl-dialkyl alanates28US 3,932,479 AAmerican Cyanamid Company · 1976
- Fluorinated monomers and polymers23US 5,260,492 AE. I. Du Pont de Nemours and Company · 1993
- Aqueous film-forming foam compositions17US 6,015,838 A3M Innovative Properties Company · 2000