C07C 45/77
Preparation of chelates of aldehydes or ketones
C07C45/77 (Preparation of chelates of aldehydes or ketones) appears on 67 US grants and 27 published applications in this corpus.
Search patents in C07C- Granted patents
- 67
- Published applications
- 27
- Assignees
- 51
- Inventors
- 151
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 0 | 3 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthesis and use of precursors for vapor deposition of tungsten containing thin films3 Mar 2026US 12,565,466 B2ASM IP Holding B. V.
- Optimized thermal separation by prior gas exchange5 Dec 2023US 11,834,399 B2Evonik Operations GmbH
- Synthesis and use of precursors for vapor deposition of tungsten containing thin films6 Jun 2023US 11,667,595 B2ASM IP Holding B. V.
- Synthesis and use of precursors for vapor deposition of tungsten containing thin films25 May 2021US 11,014,866 B2ASM IP Holding B. V.
- Synthesis and use of precursors for vapor deposition of tungsten containing thin films23 Jul 2019US 10,358,407 B2ASM IP Holding B. V.
- New cerium (iv) complexes and their use in organic electronics25 Jul 2024US 2024/0247004 A1
- Synthesis and use of precursors for vapor deposition of tungsten containing thin films24 Aug 2023US 2023/0265035 A1ASM IP Holding B. V.
- Optimized thermal separation by prior gas exchange10 Aug 2023US 2023/0250040 A1Evonik Operations GmbH
- High-entropy nitride ceramic fiber and preparation method and use thereof1 Sep 2022US 2022/0274888 A1Institute of Chemistry, Chinese Academy of Sciences
- Raw material for forming thin film, method for producing thin film, and scandium compound7 Jul 2022US 2022/0213592 A1Adeka Corporation
Most cited
By later US patents
- Process for making sintered glasses and ceramics73US 4,501,602 ACorning Glass Works · 1985
- Synthesis of volatile fluorinated and non-fluorinated metal-beta-ketonate and metal-beta-ketoiminato complexes25US 5,028,724 AAir Products and Chemicals, Inc. · 1991
- Beta-diketones for the extraction of copper from aqueous ammoniacal solutions20US 6,107,523 AHenkel Corporation · 2000
- Liquid hydrocarbon-soluble rare earth chelates prepared from the novel ligand 2,2,7-trimethyl-3,5-octanedione and fuels containing same17US 4,251,233 AUniversity Patents, Inc. · 1981
- Preparation of metal complexes of 1,3-diketones15US 3,946,057 AUnion Carbide Corporation · 1976