C07C 2603/93
Spiro compounds
C07C2603/93 (Spiro compounds) appears on 440 US grants and 578 published applications in this corpus.
Search patents in C07C- Granted patents
- 440
- Published applications
- 578
- Assignees
- 229
- Inventors
- 1,380
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 5 |
| 2003 | 6 | 9 |
| 2004 | 5 | 14 |
| 2005 | 6 | 10 |
| 2006 | 11 | 12 |
| 2007 | 4 | 15 |
| 2008 | 5 | 18 |
| 2009 | 7 | 20 |
| 2010 | 14 | 21 |
| 2011 | 15 | 9 |
| 2012 | 7 | 16 |
| 2013 | 6 | 20 |
| 2014 | 18 | 23 |
| 2015 | 16 | 26 |
| 2016 | 20 | 31 |
| 2017 | 29 | 36 |
| 2018 | 30 | 43 |
| 2019 | 31 | 37 |
| 2020 | 24 | 32 |
| 2021 | 25 | 33 |
| 2022 | 19 | 35 |
| 2023 | 25 | 47 |
| 2024 | 27 | 24 |
| 2025 | 18 | 28 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, and composition for forming hole transporting layer for perovskite solar cells15 Sep 2026US 12,735,395 B2Tokyo Chemical Industry Co., Ltd.
- Heterocyclic compound and organic light emitting device comprising same1 Sep 2026US 12,727,378 B2Lt Materials Co., Ltd.
- Light-emitting device and electronic apparatus including the same14 Jul 2026US 12,685,012 B2Samsung Display Co., Ltd.
- Compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device21 Apr 2026US 12,606,741 B2Semiconductor Energy Laboratory Co.Ltd.
- Organic electroluminescent element and electronic device24 Mar 2026US 12,583,864 B2Idemitsu Kosan Co., Ltd.
- Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device27 Aug 2026US 2026/0250571 A1Semiconductor Energy Laboratory Co.Ltd.
- Aromatic amine compound, electroluminescent device, and display apparatus20 Aug 2026US 2026/0247854 A1Boe Technology Group Co., Ltd.
- Protease inhibitors for treating or preventing coronavirus infection23 Jul 2026US 2026/0209180 A1Merck Sharp & Dohme Corp.
- Gamma-aminobutyric acid derivative comprising polycyclic structure, method for preparing same, and use thereof25 Jun 2026US 2026/0174682 A1Shanghai Institute of Materia Medica, Chinese Academy of Sciences
- Spiro compound comprosing asymmetric alkyl substitution and organic electroluminescent device18 Jun 2026US 2026/0173749 A1Guangdong Aglaia Optoelectronic Materials Co., Ltd
Most cited
By later US patents
- Spiro compounds and their use as electroluminescence materials179US 5,840,217 AHoechst Aktiengesellschaft · 1998
- Photovoltaic cell59US 5,885,368 AHoechst Aktiengesellschaft · 1999
- Compounds and organic electroluminescent devices48US 9,595,681 B2Merck Patent GmbH · 2017
- Mixtures of matrix materials and organic semiconductors capable of emission, use of the same and electronic components containing said mixtures40US 7,345,301 B2Merck Patent GmbH · 2008
- Double-spiro organic compounds and organic electroluminescent devices using the same39US 6,998,487 B2LG Chem.Ltd. · 2006