C07C 49/67
Having two rings
Official title: having two rings, e.g. tetralones
C07C49/67 (Having two rings) appears on 87 US grants and 29 published applications in this corpus.
Search patents in C07C- Granted patents
- 87
- Published applications
- 29
- Assignees
- 47
- Inventors
- 179
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 4 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anticonvulsant compounds9 Apr 2024US 11,952,338 B2Owen-Barry Pharmaceuticals Inc.
- Anticonvulsant compounds31 May 2022US 11,345,652 B2Owen-Barry Pharmaceuticals Inc.
- Oxone-aceton mediated metal free preparation of syn-diols15 Sep 2020US 10,774,060 B2Council of Scientific and Industrial Research
- Anticonvulsant compounds11 Feb 2020US 10,556,853 B2Owen-Barry Pharmaceuticals Inc.
- Organic semiconductor composition, photovoltaic element, photoelectric conversion device, and method of manufacturing photovoltaic element20 Aug 2019US 10,388,876 B2Toray Industries, Inc.
- Anticonvulsant Compounds6 Mar 2025US 2025/0074861 A1Owen-Barry Pharmaceuticals Inc.
- Anticonvulsant compounds21 Jan 2021US 2021/0017116 A1Owen-Barry Pharmaceuticals Inc.
- Anticonvulsant compounds14 May 2020US 2020/0148623 A1Owen-Barry Pharmaceuticals Inc.
- Organic semiconductor composition, photovoltaic element, photoelectric conversion device, and method of manufacturing photovoltaic element23 Aug 2018US 2018/0240977 A1Toray Industries, Inc.
- Anticonvulsant compounds12 Jul 2018US 2018/0194715 A1Owen-Barry Pharmaceuticals Inc.
Most cited
By later US patents
- Process for the preparation of an olefin polymer239US 5,278,264 AHoechst Aktiengesellschaft · 1994
- Process for the preparation of an olefin polymer137US 5,329,033 AHoechst Aktiengesellschaft · 1994
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts137US 5,770,753 ATargor GmbH · 1998
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts123US 5,840,644 ATargor GmbH · 1998
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts99US 5,786,432 ATargor GmbH · 1998