C07C 69/38
Malonic acid esters
C07C69/38 (Malonic acid esters) appears on 50 US grants and 40 published applications in this corpus.
Search patents in C07C- Granted patents
- 50
- Published applications
- 40
- Assignees
- 40
- Inventors
- 164
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 5 |
| 2005 | 1 | 4 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 6 |
| 2018 | 2 | 3 |
| 2019 | 3 | 4 |
| 2020 | 7 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multifunctional linker compounds10 Mar 2026US 12,570,600 B220Bloc, Inc.
- Use of polycarboxylic acid compounds for the treatment of fibrious amino acid based substrates, especially hair17 Aug 2021US 11,090,255 B2Momentive Performance Materials Inc.
- Polymers including one or more 1,1-disubstituted alkene compounds and polymer compositions thereof1 Jun 2021US 11,021,617 B2Sirrus, Inc.
- Salt of quinazoline derivative, preparation method therefor and application thereof22 Dec 2020US 10,870,627 B2Shanghai Pharmaceuticals Holding Co., Ltd.
- Method for preparing 2-(cyclohexenylidene) malonic acid derivatives and uses thereof17 Nov 2020US 10,836,777 B2Oriental (Luzhou) Agrochemicals. Co., Ltd.
- Process for treating keratin materials using at least one oil bearing acetoacetate functions and at least one crosslinking agent23 Jul 2026US 2026/0207468 A1L'oreal
- Fragrance and flavor compositions comprising norbornane and norbornene derivatives19 Mar 2026US 2026/0078079 A1Osmo Labs, PBC
- Musky odorant21 Aug 2025US 2025/0263629 A1Firmenich SA
- Alicyclic aliphatic 1,3-dicarbonyl derivatives useful as fragrances31 Jul 2025US 2025/0243147 A1Givaudan SA
- Multifunctional linker compounds31 Jul 2025US 2025/0243148 A120Bloc, Inc.
Most cited
By later US patents
- Methylidenemalonate esters derived from esters of 9,10-endoethano-9,10-dihydroanthracane-11,11-dicarboxylic acid68US 5,142,098 ALaboratoires UPSA · 1992
- Process for the preparation of monoesters or diesters of-9,10-endoethano-9,10-dihydroanthracene-11,11-dicarboxylic acid and for the preparation of symmetrical or asymmetrical methylidenemalonates59US 4,931,584 ALaboratoires UPSA · 1990
- Synthetic cooking oils containing dicarboxylic acid esters57US 4,582,927 AFrito-Lay, Inc. · 1986
- Method of preparing malonic acid dialkyl esters52US 4,399,300 ADynamit Nobel Aktiengesellschaft · 1983
- Method of preparing malonic acid dialkyl esters52US 4,443,624 ADynamit Nobel Aktiengesellschaft · 1984