C07C 217/40
Having at least two singly-bound oxygen atoms, with at least one being
Official title: having at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the same carbon atom of the carbon skeleton, e.g. amino-ketals, ortho esters
C07C217/40 (Having at least two singly-bound oxygen atoms, with at least one being) appears on 51 US grants and 40 published applications in this corpus.
Search patents in C07C- Granted patents
- 51
- Published applications
- 40
- Assignees
- 42
- Inventors
- 126
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 1 |
| 2015 | 3 | 6 |
| 2016 | 4 | 3 |
| 2017 | 4 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 3 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanomaterials comprising acetals6 Oct 2026US 12,753,147 B2Beam Therapeutics Inc.
- Acyclic lipids and methods of use thereof10 Feb 2026US 12,545,636 B2ReNAgade Therapeutics Management Inc.
- Anti-infective and anti-inflammatory compounds23 Aug 2022US 11,420,995 B2Synovo GmbH
- Methods for inhibiting conversion of choline to trimethylamine (TMA)15 Feb 2022US 11,246,844 B2The Cleveland Clinic Foundation
- Dendrimer and formulations thereof20 Apr 2021US 10,981,858 B2Dendritic Nanotechnologies, Inc.
- Amine-functional monomers and methods of making same29 Aug 2024US 2024/0287009 A1Infineum International Limited
- Lipid compounds and lipid nanoparticle compositions18 Jul 2024US 2024/0238212 A1
- Composition containing phenalkamine and method for preparing same2 May 2024US 2024/0141167 A1Evonik Operations GmbH
- Nanomaterials comprising acetals19 Oct 2023US 2023/0331656 A1Beam Therapeutics Inc.
- Acyclic lipids and methods of use thereof29 Jun 2023US 2023/0202966 A1ReNAgade Therapeutics Management Inc.
Most cited
By later US patents
- Cationic lipids and methods of use267US 7,745,651 B2Protiva Biotherapeutics, Inc. · 2010
- Highly packed polycationic ammonium, sulfonium and phosphonium lipids89US 5,674,908 ALife Technologies Corporation · 1997
- Cationic transport reagents41US 5,527,928 A1996
- Highly packed polycationic ammonium, sulfonium and phosphonium lipids37US 5,834,439 ALife Technologies Corporation · 1998
- Diether based biodegradable cationic lipids for siRNA delivery37US 9,604,908 B2Sima Therapeutics, Inc. · 2017