C07C 23/38
With three condensed rings
Official title: with three condensed rings
C07C23/38 (With three condensed rings) appears on 18 US grants and 6 published applications in this corpus.
Search patents in C07C- Granted patents
- 18
- Published applications
- 6
- Assignees
- 16
- Inventors
- 44
- Latest grant
- 4 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Liquid phase selective oxidation to epoxides with molecular oxygen4 Jun 2019US 10,308,622 B2Lyondell Chemical Technology, L,P.
- s-Indacene and indeno[5,6-d][1,3]dioxol-derivatives and use thereof as components of liquid-crystal mixtures12 Apr 2011US 7,922,934 B2Merck Patent GmbH
- Fluoroadamantane derivative, fluorine-containing polymer and production method19 Jan 2010US 7,649,065 B2Asahi Glass Company, Limited
- Process for preparing dihalogenated adamantanes12 Apr 2005US 6,878,853 B2Tokuyama Corporation
- Artificial blood containing perfluoro chemicals in presence of emulsifying agents18 Jul 1995US 5,434,191 AInternational Therapeutics Inc.
- Liquid phase selective oxidation to epoxides with molecular oxygen26 Jul 2018US 2018/0208569 A1Lyondell Chemical Technology, L,P.
- Material for an organic electroluminescent device and organic electroluminescent device using the same6 Oct 2016US 2016/0293843 A1Samsung Display Co., Ltd.
- Use of compositions obtained by calcining particular metal-accumulating plants for implementing catalytical reactions31 Dec 2015US 2015/0376224 A1Centre National De La Recherche Scientifique
- S-indacene and indeno[5,6-d][1,3]dioxol-derivatives and use thereof as components of liquid-crystal mixtures24 Jun 2010US 2010/0155662 A1Merck Patent GmbH
- Novel fluoroadamantane derivative, fluorine-containing polymer and production method9 Jul 2009US 2009/0176954 A1Asahi Glass Company, Limited
Most cited
By later US patents
- Emulsions of perfluorocarbons in aqueous media99US 4,859,363 AI.S. C. Chemicals Limited · 1989
- Perfluoro polycyclic compounds for use as synthetic blood and perfusion media58US 4,105,798 AChildren's Hospital Medical Center · 1978
- Fluorocarbon tracers and tracing method30US 4,520,109 ASun Tech, Inc. · 1985
- Process for preparing dihalogenated adamantanes27US 6,878,853 B2Tokuyama Corporation · 2005
- Perhydrophenanthrene derivatives, their preparation, and their use in liquid-crystalline dielectrics and electro-optical display elements10US 4,434,073 AMerck Patent GmbH · 1984