C07C 53/21
Containing fluorine
Official title: containing fluorine
C07C53/21 (Containing fluorine) appears on 189 US grants and 28 published applications in this corpus.
Search patents in C07C- Granted patents
- 189
- Published applications
- 28
- Assignees
- 53
- Inventors
- 182
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 12 | 0 |
| 1978 | 73 | 0 |
| 1979 | 13 | 0 |
| 1980 | 12 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resist topcoat composition, and method of forming patterns using the composition31 Mar 2026US 12,590,221 B2Samsung Electronics Co., Ltd.
- Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids22 Jul 2025US 12,364,969 B2Puraffinity Ltd.
- Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids11 Jun 2024US 12,005,423 B2Puraffinity Ltd.
- Fluorinated beta-hydroxybutyric acids for PET imaging5 Dec 2023US 11,833,228 B2The Governors of the University of Alberta
- Labelled carboxylic acids and their uses in molecular imaging3 Nov 2020US 10,821,194 B2Cancer Research Technologies Limited
- 18f-fluorinated fatty acids and uses thereof8 Oct 2026US 2026/0308102 A1Ratio Therapeutics, Inc.
- Catalytic carboxycarbonylation of alkenes to form anhydrides4 Dec 2025US 2025/0368598 A1Eastman Chemical Company
- Fluorine-containing compound, method for producing the same, and surfactant17 Jul 2025US 2025/0230116 A1Daikin Industries, Ltd.
- Method for producing composition containing purified fluorine-containing ether compound6 Feb 2025US 2025/0042830 A1Daikin Industries, Ltd.
- Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids6 Jun 2024US 2024/0181429 A1Puraffinity Ltd.
Most cited
By later US patents
- Hydrogen-containing flourosurfacant and its use in polymerization77US 5,763,552 AE. I. Du Pont de Nemours and Company · 1998
- Steroid derivatives61US 4,659,516 AImperial Chemical Industries PLC · 1987
- Methods and compositions for inhibiting 5.alpha.-reductase activity46US 5,605,929 AArch Development Corporation · 1997
- Alpha-branched fluoroalkylcarbonyl fluorides and their derivatives33US 6,013,795 A3M Innovative Properties Company · 2000
- Methods and compositions for inhibiting 5.alpha.-reductase activity32US 5,422,371 AArch Development Corporation · 1995