C07C 1/34
Reacting phosphines with aldehydes or ketones
Official title: reacting phosphines with aldehydes or ketones, e.g. Wittig reaction
C07C1/34 (Reacting phosphines with aldehydes or ketones) appears on 34 US grants and 24 published applications in this corpus.
Search patents in C07C- Granted patents
- 34
- Published applications
- 24
- Assignees
- 27
- Inventors
- 105
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 4 | 6 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photoresist composition including a chrysene compound, method of forming a pattern using the same, and method of fabricating 6-nitrochrysene6 Jan 2026US 12,516,014 B2Samsung Electronics Co., Ltd.
- Optical data communication system comprising para-phenylenevinylenes and specific para-phenylenevinylenes22 Oct 2024US 12,122,748 B2BASF SE
- Radiation-sensitive resin composition, method for forming pattern, and method for producing monomeric compound25 Jul 2023US 11,709,428 B2Jsr Corporation
- Synthesis of olefinic alcohols via enzymatic terminal hydroxylation12 Feb 2019US 10,202,620 B2Provivi, Inc.
- Process for the preparation of (3E, 7E)-homofarnesol12 Sep 2017US 9,758,500 B2BASF SE
- New intermediate for beta-carotene synthesis23 Jul 2026US 2026/0209257 A1Dsm IP Assets B.V.
- 13c-labelled chlorinated paraffins and their preparation12 Jun 2025US 2025/0188006 A1
- Photoresist composition including a chrysene compound, method of forming a pattern using the same, and method of fabricating 6-nitrochrysene9 Nov 2023US 2023/0357123 A1Seoul National University R&Db Foundation
- Radiation-sensitive resin composition, method for forming pattern, and method for producing monomeric compound7 Sep 2023US 2023/0280652 A1Jsr Corporation
- Optical data communication system comprising para-phenylenevinylenes and specific para-phenylenevinylenes16 Sep 2021US 2021/0284608 A1BASF SE
Most cited
By later US patents
- Diacetylenes having liquid crystal phases35US 4,615,962 AUniversity Patents, Inc. · 1986
- Method of making carotenoids18US 6,150,561 ARoche Vitamins Inc. · 2000
- Photoconductive imaging member with substituted anthracene plasticizer17US 4,052,205 AXerox Corporation · 1977
- 2-Vinyl-fluorenone and derivatives thereof12US 4,011,266 AXerox Corporation · 1977
- Styryl-tetrahydronaphthyl derivatives9US 4,093,645 AHickson & Welch Limited · 1978