C07D 263/62
Having two or more ring systems containing condensed 1,3-oxazole rings
Official title: having two or more ring systems containing condensed 1,3-oxazole rings
C07D263/62 (Having two or more ring systems containing condensed 1,3-oxazole rings) appears on 91 US grants and 61 published applications in this corpus.
Search patents in C07D- Granted patents
- 91
- Published applications
- 61
- Assignees
- 85
- Inventors
- 283
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 5 |
| 2008 | 1 | 4 |
| 2009 | 0 | 1 |
| 2010 | 4 | 4 |
| 2011 | 3 | 6 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 5 | 1 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 5 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Heterocyclic compound and organic electroluminescent device comprising same5 Aug 2025US 12,378,207 B2Changchun Hyperions Technology Co., Ltd
- Organic electroluminescence device28 Nov 2023US 11,832,508 B2UDC Ireland Limited
- Resin, photosensitive resin composition, electronic component and display device using the same17 May 2022US 11,333,976 B2Toray Industries, Inc.
- Heterocyclic naphthoquinones derivatives for use in the treatment of cancers including Cushing disease19 Apr 2022US 11,306,063 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Compound of 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-based bisoxazoline ligand, intermediate thereof, preparation method thereof and use thereof11 Jan 2022US 11,220,495 B2Zhejiang University
- Compound, and organic electroluminescent material and organic electroluminescent device comprising the same17 Apr 2025US 2025/0127041 A1
- Arylamine Compound and Use thereof, Electroluminescent Device and Display Apparatus20 Mar 2025US 2025/0092007 A1Boe Technology Group Co., Ltd.
- A synthesis method of benzoxazole based optical brighteners30 Jan 2025US 2025/0034123 A1Akdeniz Chemson Kimya Sanayi Ve Ticaret Anonim Sirketi
- Heterocyclic compound and organic light-emitting device comprising same7 Nov 2024US 2024/0368095 A1Lt Materials Co., Ltd.
- Organic compounds, light extraction layer materials, and organic electronic devices24 Oct 2024US 2024/0352008 A1Guangzhou Chinaray Optoelectronic Materials Ltd.
Most cited
By later US patents
- Poly(perfluoroalkylene oxide) derivatives106US 4,085,137 AMinnesota Mining and Manufacturing Company · 1978
- Compounds, compositions and methods for binding bio-affecting substances to surface membranes of bio-particles105US 5,667,764 AZynaxis, Inc. · 1997
- Poly(perfluoroalkylene oxide) derivatives104US 4,094,911 AMinnesota Mining and Manufacturing Company · 1978
- Tricyclic compounds, their production and use39US 6,034,239 ATakeda Chemical Industries, Ltd. · 2000
- Methods, reagents and test kits for determination of subpopulations of biological entities36US 5,256,532 AZynaxis Technologies, Inc. · 1993