C07C 271/50
To carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms
Official title: to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms
C07C271/50 (To carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms) appears on 14 US grants and 15 published applications in this corpus.
Search patents in C07C- Granted patents
- 14
- Published applications
- 15
- Assignees
- 16
- Inventors
- 54
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Affinity illudofulvene conjugates8 Apr 2025US 12,269,793 B2AF Chemicals, LLC
- Cannabinoid prodrug compounds14 May 2024US 11,980,602 B2Firstlight Pharmaceuticals LLC
- Affinity illudofulvene conjugates28 Feb 2023US 11,591,295 B2AF Chemicals, LLC
- Enantioselective synthesis of α-quaternary Mannich adducts by palladium-catalyzed allylic alkylation5 Jul 2022US 11,377,396 B2California Institute of Technology
- Benzobicycloalkane derivatives, their preparation and pharmaceutical use thereof3 Mar 2020US 10,577,346 B2Shanghai Haiyan Pharmaceutical Technology Co., Ltd.
- Affinity illudofulvene conjugates25 Sep 2025US 2025/0296912 A1Illudent, Inc.
- Cannabinoid prodrug compounds12 Dec 2024US 2024/0408046 A1Firstlight Pharmaceuticals LLC
- Affinity illudofulvene conjugates6 Jul 2023US 2023/0212113 A1AF Chemicals, LLC
- Cannabinoid prodrug compounds7 Jul 2022US 2022/0211656 A1Firstlight Pharmaceuticals LLC
- Affinity illudofulvene conjugates27 May 2021US 2021/0155583 A1AF Chemicals, LLC
Most cited
By later US patents
- Water-compatible reducible compounds and their use in analytical compositions and methods9US 4,853,186 AEastman Kodak Company · 1989
- Biological and analytical uses of phenalenone and benzphenalenone compounds7US 4,803,161 AEastman Kodak Company · 1989
- Enantioselective synthesis of α-quaternary mannich adducts by palladium-catalyzed allylic alkylation6US 10,421,696 B2California Institute of Technology · 2019
- Water-compatible reducible compounds and their use in analytical compositions and methods3US 5,037,762 AEastman Kodak Company · 1991
- Affinity illudofulvene conjugates1US 11,591,295 B2AF Chemicals, LLC · 2023