C07C 49/21
Containing rings other than six-membered aromatic rings
Official title: containing rings other than six-membered aromatic rings
C07C49/21 (Containing rings other than six-membered aromatic rings) appears on 84 US grants and 38 published applications in this corpus.
Search patents in C07C- Granted patents
- 84
- Published applications
- 38
- Assignees
- 49
- Inventors
- 198
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 5 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fragrance and flavor materials15 Oct 2024US 12,114,681 B2Takasago International Corporation
- Process for the preparation of intermediates for the synthesis of vitamin A derivatives from polyenes by cyclisation16 Apr 2024US 11,958,797 B2Dsm IP Assets B.V.
- Reactive distillation for forming surfactants8 Feb 2022US 11,242,305 B2Sironix Renewables, Inc.
- Organoleptic compounds20 Apr 2021US 10,982,172 B2International Flavors & Fragrances Inc.
- Process for the preparation of polysantol-type compounds20 Oct 2020US 10,807,941 B2Firmenich SA
- Fragrance and flavor compositions comprising norbornane and norbornene derivatives19 Mar 2026US 2026/0078079 A1Osmo Labs, PBC
- Derivatives from 2,5,6-trimethylcyclohex-2-en-1-ol as aroma ingredients5 Dec 2024US 2024/0400497 A1BASF SE
- Hydrogenation of dienals or dienones with rhodium complexes under carbon monoxide free atmosphere27 Jun 2024US 2024/0208891 A1
- Process for the preparation of intermediates for the synthesis of vitamin a derivatives from polyenes by cyclisation30 Jun 2022US 2022/0204434 A1Dsm IP Assets B.V.
- Fragrance and flavor materials29 Jul 2021US 2021/0227864 A1Takasago International Corporation
Most cited
By later US patents
- Perfume composition59US 4,434,306 ATakasago Perfumery Co., Ltd. · 1984
- Preparation of unsaturated and saturated ketones51US 4,874,899 ABASF SE · 1989
- 3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol compound and perfume compositions32US 4,052,341 AGivaudan SA · 1977
- Novel carbamates, their preparation, and pharmaceutical formulations containing these compounds31US 4,335,138 ABASF SE · 1982
- Substituted trimethylene cyclopropanes, salts thereof, intermediates and methods of making the same19US 4,003,943 AE. I. Du Pont de Nemours and Company · 1977