C07C 69/56
Crotonic acid esters
Official title: Crotonic acid esters; Vinyl acetic acid esters
C07C69/56 (Crotonic acid esters) appears on 18 US grants and 10 published applications in this corpus.
Search patents in C07C- Granted patents
- 18
- Published applications
- 10
- Assignees
- 14
- Inventors
- 41
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phenalene-1-one-containing photosensitizer composition, phenalene-1-one compound and the use thereof21 May 2024US 11,987,557 B2Trioptotec GmbH
- Phenalene-1-one-containing photosensitizer composition, phenalene-1-one compound and the use thereof30 Nov 2021US 11,186,545 B2Trioptotec GmbH
- Crotonates having use in perfumery9 Jul 2019US 10,343,971 B2Givaudan SA
- Process for the manufacture of α,α-branched carboxylic acid vinyl esters16 Feb 2016US 9,260,374 B2Hexion Inc.
- Organoleptic compound22 Jul 2014US 8,785,677 B1International Flavors & Fragrances Inc.
- Fragrance and flavor compositions comprising norbornane and norbornene derivatives19 Mar 2026US 2026/0078079 A1Osmo Labs, PBC
- Fragrance and flavor compositions comprising norbornane and norbornene derivatives9 Oct 2025US 2025/0313523 A1
- Musky odorant21 Aug 2025US 2025/0263629 A1Firmenich SA
- Method of controlling soybean rust fungus having resistance to qoi fungicide26 Oct 2023US 2023/0337672 A1Sumitomo Chemical Company, Limited
- Phenalene-1-one-containing photosensitizer composition, phenalene-1-one compound and the use thereof3 Mar 2022US 2022/0064114 A1Trioptotec GmbH
Most cited
By later US patents
- Ester compounds, polymers, resist compositions and patterning process132US 6,312,867 B1Shin-Etsu Chemical Co., Ltd. · 2001
- Polyprenyl derivatives17US 4,059,641 ASankyo Company, Limited · 1977
- Hydroxy-functional polyester diluents as additives in coating compositions7US 5,104,955 AThe Sherwin-Williams Company · 1992
- Polyprenyl derivatives6US 4,260,551 ASankyo Company, Limited · 1981
- Hydroxy-functional polyester diluents as additives in coating compositions5US 5,004,828 AThe Sherwin-Williams Company · 1991