C07D 317/00
Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only
Official title: Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
C07D317/00 (Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only) appears on 5,370 US grants and 3,546 published applications in this corpus.
Search patents in C07D- Granted patents
- 5,370
- Published applications
- 3,546
- Assignees
- 1,906
- Inventors
- 13,138
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 189 | 0 |
| 1977 | 129 | 0 |
| 1978 | 131 | 0 |
| 1979 | 98 | 0 |
| 1980 | 133 | 0 |
| 1981 | 118 | 0 |
| 1982 | 118 | 0 |
| 1983 | 79 | 0 |
| 1984 | 83 | 0 |
| 1985 | 119 | 0 |
| 1986 | 78 | 0 |
| 1987 | 88 | 0 |
| 1988 | 80 | 0 |
| 1989 | 110 | 0 |
| 1990 | 106 | 0 |
| 1991 | 109 | 0 |
| 1992 | 92 | 0 |
| 1993 | 113 | 0 |
| 1994 | 88 | 0 |
| 1995 | 93 | 0 |
| 1996 | 102 | 0 |
| 1997 | 108 | 0 |
| 1998 | 129 | 0 |
| 1999 | 99 | 0 |
| 2000 | 112 | 0 |
| 2001 | 130 | 26 |
| 2002 | 150 | 136 |
| 2003 | 112 | 158 |
| 2004 | 101 | 195 |
| 2005 | 79 | 164 |
| 2006 | 104 | 156 |
| 2007 | 88 | 164 |
| 2008 | 85 | 155 |
| 2009 | 114 | 156 |
| 2010 | 117 | 173 |
| 2011 | 108 | 160 |
| 2012 | 111 | 151 |
| 2013 | 122 | 137 |
| 2014 | 148 | 160 |
| 2015 | 124 | 145 |
| 2016 | 123 | 146 |
| 2017 | 126 | 117 |
| 2018 | 88 | 127 |
| 2019 | 101 | 112 |
| 2020 | 98 | 122 |
| 2021 | 81 | 111 |
| 2022 | 76 | 118 |
| 2023 | 89 | 133 |
| 2024 | 75 | 135 |
| 2025 | 72 | 93 |
| 2026 | 44 | 96 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for the preparation of 3,4-methylenedioxypropiophenone6 Oct 2026US 12,753,160 B2Endura S. P. A.
- Electrochemical transformations29 Sep 2026US 12,747,508 B2Loughborough University
- Preparation of optically active enantiomers of piperonyl amines by resolution of the diastereomeric salts25 Aug 2026US 12,715,852 B2EmpathBio, Inc.
- Peroxide stabilizers11 Aug 2026US 12,703,630 B2Diversey, Inc.
- Gas-liquid bubbling bed reactor, reaction system, and process for synthesizing carbonate ester21 Jul 2026US 12,685,982 B2China Petroleum & Chemical Corporation
- Processes for preparing 3-isopropenyl-6-heptenal compound and 6-isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, process for preparing intermediate thereof, and intermediate thereof8 Oct 2026US 2026/0308091 A1Shin-Etsu Chemical Co., Ltd.
- Conformationally restricted phenethylamine analogs8 Oct 2026US 2026/0308109 A1
- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308137 A1Sulzer Management AG
- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308138 A1Sulzer Management AG
- Novel carboxamide derivatives8 Oct 2026US 2026/0308149 A1Angelini Pharma S.P.A.
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Arrays of materials attached to a substrate1,410US 5,744,305 AAffymetrix, Inc. · 1998
- Very large scale immobilized polymer synthesis967US 5,424,186 AAffymax Technologies N.V. · 1995
- Method of detecting nucleic acids962US 5,800,992 A1998