C07C 271/18
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
C07C271/18 (To carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms) appears on 137 US grants and 110 published applications in this corpus.
Search patents in C07C- Granted patents
- 137
- Published applications
- 110
- Assignees
- 101
- Inventors
- 396
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 6 |
| 2003 | 4 | 6 |
| 2004 | 1 | 6 |
| 2005 | 2 | 7 |
| 2006 | 5 | 9 |
| 2007 | 6 | 1 |
| 2008 | 4 | 5 |
| 2009 | 7 | 7 |
| 2010 | 4 | 3 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 5 | 16 |
| 2020 | 4 | 6 |
| 2021 | 8 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 7 |
| 2024 | 3 | 2 |
| 2025 | 3 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitrogen-branched non-linear pegylated lipid containing a tertiary amine and application thereof18 Aug 2026US 12,708,675 B2Xiamen Sinopeg Biotech Co., Ltd.
- Cationic lipid, liposome containing cationic lipid, and nucleic-acid pharmaceutical composition containing liposome and formulation and application thereof9 Jun 2026US 12,648,908 B2Xiamen Sinopeg Biotech Co., Ltd.
- Compound for optical materials, curable composition, cured body, and optical article17 Feb 2026US 12,552,745 B2Tokuyama Corporation
- 1,2,4-triazin-3(2H)-one compounds for the treatment of hyperproliferative diseases30 Sep 2025US 12,427,153 B2Bayer Aktiengesellschaft
- Substituted piperazines as disrupters of AB42 oligomer formation27 May 2025US 12,312,296 B2Acelot, Inc.
- Small molecule drugs and related methods for treatment of diseases related to ab42 oligomer formation25 Jun 2026US 2026/0176230 A1Acelot, Inc.
- Affinity illudofulvene conjugates25 Sep 2025US 2025/0296912 A1Illudent, Inc.
- Non-linear pegylated lipid and application thereof24 Jul 2025US 2025/0235540 A1Xiamen Sinopeg Biotech Co., Ltd.
- Non-linear pegylated lipid containing a tertiary amine and application thereof29 May 2025US 2025/0170062 A1Xiamen Sinopeg Biotech Co., Ltd.
- 1,2,4-triazin-3(2h)-one compounds for the treatment of hyperproliferative diseases29 May 2025US 2025/0170136 A1Bayer Aktiengesellschaft
Most cited
By later US patents
- Novel vinyl carbonate and vinyl carbamate contact lens material monomers474US 5,070,215 ABausch & Lomb Incorporated · 1991
- Vinyl carbonate and vinyl carbamate contact lens material monomers193US 5,610,252 ABausch & Lomb Incorporated · 1997
- Tricyclic-bis-enone derivatives and methods of use thereof88US 7,176,237 B2Trustees of Dartmouth College · 2007
- Tricyclic-bis-enone derivatives and methods of use thereof64US 7,678,830 B2Trustees of Dartmouth College · 2010
- Cysteine protease inhibitors effective for in vivo use52US 5,374,623 APrototek, Inc. · 1994