C07C 49/603
Of a six-membered ring
Official title: of a six-membered ring, e.g. quinone methides
C07C49/603 (Of a six-membered ring) appears on 83 US grants and 35 published applications in this corpus.
Search patents in C07C- Granted patents
- 83
- Published applications
- 35
- Assignees
- 42
- Inventors
- 157
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 6 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 3 |
| 2019 | 1 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molded catalyst, production method for same, and method for producing cyclic ketone using same25 Nov 2025US 12,478,953 B2Korea Kumho Petrochemical Co., Ltd.
- 1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions21 Oct 2025US 12,448,345 B2Okinawa Institute of Science and Technology School Corporation
- Conjugation reagents and methods using 1,2-cyclohexanediones14 Oct 2025US 12,441,761 B2Encodia, Inc.
- Anticonvulsant compounds9 Apr 2024US 11,952,338 B2Owen-Barry Pharmaceuticals Inc.
- Synthesis of intermediates for the preparation of alpha-tocopherol15 Aug 2023US 11,724,996 B2Dsm IP Assets B.V.
- Bio-renewable polymers and uses thereof18 Jun 2026US 2026/0167750 A1The Regents of the University of California
- Anticonvulsant Compounds6 Mar 2025US 2025/0074861 A1Owen-Barry Pharmaceuticals Inc.
- 1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions25 Apr 2024US 2024/0132435 A1Okinawa Institute of Science and Technology School Corporation
- Conjugation Reagents and Methods Using 1,2-Cyclohexanediones21 Sep 2023US 2023/0295222 A1Encodia, Inc.
- Molded catalyst, production method for same, and method for producing cyclic ketone using same15 Dec 2022US 2022/0395823 A1Korea Kumho Petrochemical Co., Ltd.
Most cited
By later US patents
- Cyclic C.sub.6 ketones in perfumes23US 4,147,672 AFirmenich SA · 1979
- 1-Hydroxy-2-(alkylketo)-4,4,6,6-tetramethyl cyclohexen-3,5-diones16US 4,202,840 AStauffer Chemical Company · 1980
- Odorant compositions containing 4,4,6-trimethyl-2-cyclohexenone14US 3,962,148 AGivaudan SA · 1976
- Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphthalenone, intermediates used in said process and novel crystalline form of same14US 4,794,193 AInternational Flavors & Fragrances Inc. · 1988
- Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphthalenone, intermediates used in said process and novel crystalline form of same13US 4,680,142 AInternational Flavors & Fragrances Inc. · 1987