C07C 49/293
To a three- or four-membered ring
Official title: to a three- or four-membered ring
C07C49/293 (To a three- or four-membered ring) appears on 25 US grants and 8 published applications in this corpus.
Search patents in C07C- Granted patents
- 25
- Published applications
- 8
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 30 Apr 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 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 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 3 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Perfume systems30 Apr 2013US 8,431,520 B2The Procter & Gamble Company
- Substituted 1-(2-ethyl-1-methyl-cyclopropyl)-one/ol derivatives15 Dec 2009US 7,632,800 B2International Flavors & Fragrances Inc.
- Fragrance compositions from tertiary terpene alcohols14 Jul 2009US 7,560,598 B2Millennium Specialty Chemicals, Inc.
- Substituted 1-(2-ethyl-1-methyl-cyclopropyl)-one/OL derivatives17 Mar 2009US 7,504,368 B2Internation Flavors & Fragrances Inc.
- Substituted 1-(2-ethyl-1-methyl-cyclopropyl)-one/ol derivatives12 Aug 2008US 7,410,942 B2International Flavors & Fragrances Inc.
- Fragrances with cyclopropyl structure23 Oct 2025US 2025/0326984 A1Symrise AG
- Perfume systems10 Jan 2013US 2013/0012422 A1The Procter & Gamble Company
- Perfume systems3 Jun 2010US 2010/0137178 A1
- Substituted 1-(2-ethyl-1-methyl-cyclopropyl)-one/ol derivatives19 Mar 2009US 2009/0076313 A1International Flavors & Fragrances Inc.
- Substituted 1-(2-ethyl-1-methyl-cyclopropyl)-one /ol derivatives4 Sep 2008US 2008/0214431 A1Internation Flavors & Fragrances Inc.
Most cited
By later US patents
- Branched amides of L-aspartyl-d-amino acid dipeptides70US 4,411,925 APfizer Inc. · 1983
- Branched amides of L-aspartyl-D-amino acid dipeptides57US 4,399,163 APfizer Inc. · 1983
- Preparation of 15-deoxy-16-hydroxyprostaglandins17US 4,132,738 AMiles Laboratories, Inc. · 1979
- Branched amides of L-aspartyl-D-amino acid dipeptides12US 4,517,379 APfizer Inc. · 1985
- S-beta-dicarbonyl substituted beta-thioacrylamide biocides and fungicides12US 5,118,681 ARohm and Haas Company · 1992