C07C 45/515
The singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised
Official title: {the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group (cyclic acetals or ketals C07C45/59, C07C45/60)}
C07C45/515 (The singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised) appears on 310 US grants and 89 published applications in this corpus.
Search patents in C07C- Granted patents
- 310
- Published applications
- 89
- Assignees
- 130
- Inventors
- 560
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 11 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 15 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 1 |
| 2002 | 4 | 4 |
| 2003 | 6 | 5 |
| 2004 | 2 | 7 |
| 2005 | 5 | 4 |
| 2006 | 3 | 5 |
| 2007 | 4 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 5 | 7 |
| 2011 | 2 | 1 |
| 2012 | 5 | 4 |
| 2013 | 2 | 1 |
| 2014 | 4 | 5 |
| 2015 | 2 | 2 |
| 2016 | 3 | 4 |
| 2017 | 3 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 2 |
| 2020 | 5 | 5 |
| 2021 | 5 | 7 |
| 2022 | 5 | 4 |
| 2023 | 2 | 4 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing indene acryladehyde derivatives24 Mar 2026US 12,583,809 B2Firmenich SA
- 3-acyloxymethyl-3-butenal acetal compounds27 May 2025US 12,312,309 B2Shin-Etsu Chemical Co., Ltd.
- Methods of producing 7-methyl-3-methylene-7-octenal acetal compounds27 May 2025US 12,312,310 B2Shin-Etsu Chemical Co., Ltd.
- Perfuming ingredients with lily of the valley note8 Oct 2024US 12,110,472 B2Symrise AG
- Process for eliminating interfering by-products in the direct oxidative esterification of methacrolein25 Jun 2024US 12,017,987 B2Rohm Co., Ltd.
- Method for Producing Odorants and Fragrances on a Thin-Film Evaporator1 Oct 2026US 2026/0297005 A1
- Process for borane-mediated ester reduction11 Jun 2026US 2026/0159468 A1Provivi, Inc.
- (6z)-6-tridecenyl metal compound, process for preparing the same, and process for preparing (7z)-7-tetradecenal23 Apr 2026US 2026/0109719 A1Shin-Etsu Chemical Co., Ltd.
- Method for producing glycolaldehyde dialkyl acetal10 Jul 2025US 2025/0223252 A1Toyota Jidosha Kabushiki Kaisha
- Process for preparing perfuming intermediates7 Nov 2024US 2024/0368068 A1Firmenich SA
Most cited
By later US patents
- Metathesis syntheses of pheromones or their components65US 6,696,597 B2TillieChem, Inc. · 2004
- Pharmaceutical compounds, preparation, use and intermediates therefor and their preparation63US 4,535,183 ABurroughs Wellcome Co. · 1985
- Impurity inhibition in olefin metathesis reactions57US 6,900,347 B2TillieChem, Inc. · 2005
- 16-Ethers of 8-aza-9-dioxothia-11,12-seco-prostaglandins46US 3,991,106 AMerck & Co., Inc. · 1976
- Phenyl-pyrimidines45US 3,997,536 AHoffmann-La Roche Inc. · 1976