C07C 2601/20
The ring being twelve-membered
Official title: the ring being twelve-membered
C07C2601/20 (The ring being twelve-membered) appears on 199 US grants and 137 published applications in this corpus.
Search patents in C07C- Granted patents
- 199
- Published applications
- 137
- Assignees
- 111
- Inventors
- 489
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 3 |
| 2003 | 8 | 12 |
| 2004 | 4 | 9 |
| 2005 | 9 | 2 |
| 2006 | 3 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 8 |
| 2009 | 1 | 8 |
| 2010 | 7 | 1 |
| 2011 | 5 | 7 |
| 2012 | 2 | 3 |
| 2013 | 4 | 4 |
| 2014 | 3 | 9 |
| 2015 | 8 | 12 |
| 2016 | 10 | 7 |
| 2017 | 7 | 6 |
| 2018 | 2 | 1 |
| 2019 | 5 | 7 |
| 2020 | 2 | 4 |
| 2021 | 5 | 3 |
| 2022 | 5 | 7 |
| 2023 | 7 | 5 |
| 2024 | 3 | 6 |
| 2025 | 5 | 2 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclododecanone and preparation method therefor30 Dec 2025US 12,509,411 B2Hanwha Solutions Corporation
- Organic compound, light-emitting device, light-emitting apparatus, electronic equipment, lighting device, and electronic device4 Nov 2025US 12,460,130 B2Semiconductor Energy Laboratory Co.Ltd.
- Material for hole-transport layer, material for hole-injection layer, organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device7 Oct 2025US 12,435,266 B2Semiconductor Energy Laboratory Co.Ltd.
- Apparatus and systems for improved alkyl ester production from feedstocks containing organic acids using low pressure alkylation5 Aug 2025US 12,378,182 B2Inventure Renewables, Inc.
- 1,5,9-cyclododecatriene composition and continuous preparation method therefor29 Apr 2025US 12,286,388 B2Hanwha Solutions Corporation
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Polythiol compositions and their process of preparation13 Aug 2026US 2026/0234103 A1Arkema France
- Apparatus and systems for improved alkyl ester production from feedstocks containing organic acids using low pressure alkylation19 Mar 2026US 2026/0078077 A1Inventure Renewables, Inc.
- Material for hole-transport layer, material for hole-injection layer, organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device26 Feb 2026US 2026/0055316 A1Semiconductor Energy Laboratory Co.Ltd.
- Organic Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Equipment, Lighting Device, and Electronic Device19 Feb 2026US 2026/0049243 A1Semiconductor Energy Laboratory Co.Ltd.
Most cited
By later US patents
- Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts157US 6,906,228 B2BASF SE · 2005
- Urea derivatives and their use as ACAT inhibitors134US 5,621,010 ANisshin Flour Milling Co., Ltd. · 1997
- Method for producing aromatic alcohols, especially phenol68US 6,720,462 B2Degussa AG · 2004
- Anti-epileptogenic agents52US 6,930,112 B2Queen's University at Kingston · 2005
- Preparation of omega-aminoalkanoic acids46US 3,933,873 ATexaco Inc. · 1976