C07D 311/96
Spiro-condensed with carbocyclic rings or ring systems
Official title: spiro-condensed with carbocyclic rings or ring systems
C07D311/96 (Spiro-condensed with carbocyclic rings or ring systems) appears on 299 US grants and 231 published applications in this corpus.
Search patents in C07D- Granted patents
- 299
- Published applications
- 231
- Assignees
- 155
- Inventors
- 872
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 2 |
| 2002 | 10 | 7 |
| 2003 | 5 | 9 |
| 2004 | 4 | 8 |
| 2005 | 7 | 8 |
| 2006 | 6 | 4 |
| 2007 | 2 | 5 |
| 2008 | 4 | 8 |
| 2009 | 11 | 7 |
| 2010 | 7 | 23 |
| 2011 | 8 | 5 |
| 2012 | 10 | 10 |
| 2013 | 9 | 9 |
| 2014 | 10 | 11 |
| 2015 | 8 | 11 |
| 2016 | 8 | 12 |
| 2017 | 13 | 8 |
| 2018 | 5 | 11 |
| 2019 | 6 | 10 |
| 2020 | 10 | 13 |
| 2021 | 10 | 4 |
| 2022 | 8 | 11 |
| 2023 | 7 | 10 |
| 2024 | 7 | 11 |
| 2025 | 6 | 8 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compound, coating composition comprising same, organic light-emitting device using same, and manufacturing method therefor8 Sep 2026US 12,729,312 B2LG Chem.Ltd.
- Heterocyclic compound and organic light emitting device comprising same1 Sep 2026US 12,727,378 B2Lt Materials Co., Ltd.
- Electronic device23 Jun 2026US 12,666,863 B2Merck Patent GmbH
- Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof26 May 2026US 12,637,400 B2Duk San Neolux Co., Ltd.
- Electronic device14 Apr 2026US 12,604,660 B2Merck Patent GmbH
- Electronic device1 Oct 2026US 2026/0305163 A1Merck Patent GmbH
- Photochromic compound, propargyl alcohol compound, curable composition, optical article, lens, and spectacles24 Sep 2026US 2026/0286216 A1Tokuyama Corporation
- Protease inhibitors for treating or preventing coronavirus infection23 Jul 2026US 2026/0209180 A1Merck Sharp & Dohme Corp.
- Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof18 Jun 2026US 2026/0173750 A1Duk San Neolux Co., Ltd.
- Novel compounds and the use for promoting hair growth or inhibiting inflammatory disorders thereof23 Apr 2026US 2026/0109682 A1Chang Gung University of Science and Technology
Most cited
By later US patents
- Indeno-fused photochromic naphthopyrans166US 6,296,785 B1PPG Industries Ohio, Inc. · 2001
- Photochromic spiropyran compounds164US 4,826,977 APlessey Incorporated · 1989
- Substituted naphthopyrans153US 5,458,814 ATransitions Optical, Inc. · 1995
- Polymeric matrix compatibilized naphthopyrans133US 6,555,028 B2Transitions Optical, Inc. · 2003
- Substituted phenyl keto enols as pesticides and herbicides82US 6,140,358 ABayer Aktiengesellschaft · 2000