C07C 45/44
Preparation of compounds having >c = o groups bound only to carbon
Official title: by reduction and hydrolysis of nitriles
C07C45/44 (Preparation of compounds having >c = o groups bound only to carbon) appears on 165 US grants and 40 published applications in this corpus.
Search patents in C07C- Granted patents
- 165
- Published applications
- 40
- Assignees
- 77
- Inventors
- 331
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 11 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 5 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 5 |
| 2010 | 3 | 4 |
| 2011 | 1 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Synthesis of straight-chain lepidopteran pheromones through one- or two-carbon homologation of fatty alkenes1 Jul 2025US 12,344,573 B2Provivi, Inc.
- Process for the preparation of enantiomerically and diastereomerically enriched cyclobutane amines and amides6 Jul 2021US 11,053,188 B2Syngenta Participations AG
- Propellane derivates and synthesis19 May 2020US 10,654,812 B2Recurium IP Holdings, LLC
- Cyclobenzoins27 Nov 2018US 10,138,192 B2University of Houston System
- Methods of making halogenated fluorinated ether-containing compounds28 Nov 2017US 9,828,320 B23M Innovative Properties Company
- Systems and methods for preparation of highly reactive alkali metal dendrites for the synthesis of organolithium reagents25 Jan 2024US 2024/0025925 A1The Texas A&M University System
- Method for producing organometallic nucleophile and reaction method using organometallic nucleophile31 Aug 2023US 2023/0271988 A1National University Corporation Hokkaido University
- Synthesis of straight-chain lepidopteran pheromones through one- or two- carbon homologation of fatty alkenes6 May 2021US 2021/0130270 A1Provivi, Inc.
- Process for the preparation of enantiomerically and diastereomerically enriched cyclobutane amines and amides31 Dec 2020US 2020/0407311 A1Syngenta Participations AG
- Process for the preparation of hu-910 and crystalline structure thereof17 Oct 2019US 2019/0315669 A1Yissum Research Development Company of the Hebrew University of Jerusalem
Most cited
By later US patents
- Diarylacetylenes and their use in treating acne83US 4,806,558 ABASF SE · 1989
- Certain aryl or hetero-aryl derivatives of 1-hydroxy-pentane or 1-hydroxy-hexane which are useful for treating inflammation and allergies65US 4,567,184 AUSV Pharmaceutical Corporation · 1986
- Certain unsymmetrical quinolinyl ethers having anti-inflammatory and anti-allergic activity63US 4,794,188 AUSV Pharmaceutical Corporation · 1988
- Therapeutic agents49US 4,522,828 AThe Boots Company PLC · 1985
- Acetylenes37US 4,528,114 AHoffmann-La Roche Inc. · 1985