C07C 49/20
Unsaturated compounds containing keto groups bound to acyclic carbon atoms
C07C49/20 (Unsaturated compounds containing keto groups bound to acyclic carbon atoms) appears on 917 US grants and 461 published applications in this corpus.
Search patents in C07C- Granted patents
- 917
- Published applications
- 461
- Assignees
- 484
- Inventors
- 2,092
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 26 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 33 | 0 |
| 1981 | 35 | 0 |
| 1982 | 23 | 0 |
| 1983 | 25 | 0 |
| 1984 | 40 | 0 |
| 1985 | 35 | 0 |
| 1986 | 22 | 0 |
| 1987 | 24 | 0 |
| 1988 | 21 | 0 |
| 1989 | 48 | 0 |
| 1990 | 30 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 27 | 0 |
| 1994 | 18 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 2 |
| 2002 | 6 | 13 |
| 2003 | 8 | 13 |
| 2004 | 13 | 23 |
| 2005 | 11 | 21 |
| 2006 | 13 | 14 |
| 2007 | 13 | 16 |
| 2008 | 15 | 17 |
| 2009 | 12 | 21 |
| 2010 | 10 | 21 |
| 2011 | 8 | 19 |
| 2012 | 11 | 18 |
| 2013 | 21 | 18 |
| 2014 | 15 | 23 |
| 2015 | 22 | 25 |
| 2016 | 24 | 19 |
| 2017 | 18 | 16 |
| 2018 | 12 | 22 |
| 2019 | 11 | 24 |
| 2020 | 18 | 23 |
| 2021 | 16 | 23 |
| 2022 | 19 | 21 |
| 2023 | 8 | 18 |
| 2024 | 11 | 13 |
| 2025 | 4 | 7 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 49/255Containing ether groups, [image cpc-sch-c07c-0958.gif] groups,[image cpc-sch-c07c-0959.gif] groups, or[image cpc-sch-c07c-0960.gif] groups396
- C07C 49/24Containing hydroxy groups213
- C07C 49/227Containing halogen165
- C07C 49/203With only carbon-to-carbon double bonds as unsaturation164
- C07C 49/213Containing six-membered aromatic rings140
- C07C 49/21Containing rings other than six-membered aromatic rings84
- C07C 49/258Containing —cho groups25
- C07C 49/225Containing six-membered aromatic rings and other rings19
All 9 subgroupsShow fewer
Recent patents
- Thermally conductive additive, thermally conductive composite material, and wire harness15 Sep 2026US 12,735,618 B2Autonetworks Technologies, Ltd.
- Modular chemical probe for detection of amino acid citrulline in physiological samples7 Jul 2026US 12,674,804 B2WiSys Technology Foundation, Inc.
- Process for preparing (Z)-7-tetradecen-2-one30 Jun 2026US 12,668,561 B2Shin-Etsu Chemical Co., Ltd.
- Compositions and methods for inhibiting blood cancer cell growth21 Apr 2026US 12,605,352 B2University of New Brunswick
- Curcuminoids, analogs thereof, and methods of making the same7 Apr 2026US 12,595,222 B2WiSys Technology Foundation, Inc.
- Use of 2-pentanone and specific receptor thereof in manufacture of products regulating cell functions1 Oct 2026US 2026/0297006 A1Creator (Wuhan) Medicine Technology Co., Ltd.
- Beta-alkoxy ketone having long-lasting fragrance and preparation method and use thereof1 Oct 2026US 2026/0297007 A1Guangzhou Flower Flavours Fragrances Co., Ltd
- Ortho-phthalaldehyde-functionalized ultravioletabsorbers and visible chromophores for semi-permanent topical applications1 Oct 2026US 2026/0297038 A1The Regents of the University of Colorado, a body corporate
- Method for producing biaryl compound3 Sep 2026US 2026/0257977 A1FUJIFILM Corporation
- Compounds and compositions that attract the species pseudococcus longispinus, attractant device and methods for controlling and/or monitoring the pest13 Aug 2026US 2026/0231936 A1Ecología y Protección Agrícola, S.L.
Most cited
By later US patents
- Phenethanolamine derivatives172US 4,992,474 AGlaxo Group Limited · 1991
- Immunotherapeutic agents153US 5,929,117 ACelgene Corporation · 1999
- Process for producing 4-trifluoromethylnicotinic acid129US 5,708,175 AIshihara Sangyo Kaisha, Ltd. · 1998
- Methods of using phenylethenyl compounds having retinoid-like activity124US 5,068,252 AAllergan, Inc. · 1991
- Phase transfer catalysis of heterogeneous reactions by quaternary salts123US 3,992,432 AContinental Oil Company · 1976