C07C 43/305
Having acetal carbon atoms as rings members or bound to carbon atoms
Official title: having acetal carbon atoms as rings members or bound to carbon atoms of rings other than six-membered aromatic rings
C07C43/305 (Having acetal carbon atoms as rings members or bound to carbon atoms) appears on 28 US grants and 11 published applications in this corpus.
Search patents in C07C- Granted patents
- 28
- Published applications
- 11
- Assignees
- 18
- Inventors
- 56
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds30 May 2023US 11,661,390 B2Shin-Etsu Chemical Co., Ltd.
- Acetals as perfuming ingredients7 Aug 2012US 8,236,749 B2Firmenich SA
- Bicyclo(3.3.1)nonanes and bicyclo(3.3.1)nonenes and their use as flavor or fragrance ingredient27 Jan 2009US 7,482,313 B2Givaudan SA
- Pro-fragrance linear acetals and ketals13 Jan 2004US 6,677,491 B2The Procter & Gamble Company
- Photoresist monomers having stability to post exposure delay, polymers thereof and photoresist compositions containing the same24 Sep 2002US 6,455,225 B1Hyundai Electronics Industries Co., Ltd.
- Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds2 Mar 2023US 2023/0062627 A1Shin-Etsu Chemical Co., Ltd.
- Cannabinoid derivatives23 Feb 2023US 2023/0059582 A1Canopy Growth Corporation
- Fragrance and flavor materials derived from 1-(4-methylcyclohex-1-en-1-yl)ethan-1-one31 Dec 2020US 2020/0407301 A1
- Acetals as perfuming ingredients12 Jan 2012US 2012/0010114 A1Firmenich SA
- Process for production of high-purity vinyl ether30 Sep 2010US 2010/0249465 A1Maruzen Petrochemical Co., Ltd.
Most cited
By later US patents
- Photoresist monomers having stability to post exposure delay, polymers thereof and photoresist compositions containing the same470US 6,455,225 B1Hyundai Electronics Industries Co., Ltd. · 2002
- 9-Phenyl 5,6-dimethyl-nona-2,4,6,8-tetraeonic acid compounds33US 4,105,681 AHoffmann-La Roche Inc. · 1978
- Pro-fragrance linear acetals and ketals15US 6,395,695 B1The Procter & Gamble Company · 2002
- Pro-fragrance linear acetals and ketals12US 6,316,397 B1The Procter & Gamble Company · 2001
- Methyl substituted tetrahydroindane alkyl enol ethers, perfumery uses thereof, processes for preparing same, and process intermediates7US 5,665,698 AInternational Flavors & Fragrances Inc. · 1997