C07C 2603/20
Acenaphthenes
Official title: Acenaphthenes; Hydrogenated acenaphthenes
C07C2603/20 (Acenaphthenes) appears on 73 US grants and 47 published applications in this corpus.
Search patents in C07C- Granted patents
- 73
- Published applications
- 47
- Assignees
- 46
- Inventors
- 193
- Latest grant
- 27 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 2 | 5 |
| 2010 | 3 | 4 |
| 2011 | 2 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 4 |
| 2015 | 5 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solvent-free cross-coupling reaction, and production method using said reaction27 Sep 2022US 11,453,678 B2National University Corporation Hokkaido University
- Composition for resist underlayer film formation, resist underlayer film and forming method thereof, production method of patterned substrate, and compound21 Sep 2021US 11,126,084 B2Jsr Corporation
- Catalytic system for preparation of high branched alkane from olefins21 May 2019US 10,294,440 B2Shanghai Chemrun Co., Ltd.
- Multicyclic aromatic compound and organic light emitting device using the same20 Feb 2018US 9,899,600 B2Heesung Material Ltd.
- Isothiocyanate compounds, pharmaceutical compositions, and uses thereof7 Mar 2017US 9,586,907 B2Rutgers, The State University of New Jersey
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Aromatic amine compound, electroluminescent device, and display apparatus20 Aug 2026US 2026/0247854 A1Boe Technology Group Co., Ltd.
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Light emitting element, monoamine compound for the light emitting element, and electronic apparatus including the light emitting element16 Apr 2026US 2026/0107630 A1Samsung Display Co., Ltd.
- Monomer, polymer, chemically amplified resist composition, and pattern forming process3 Apr 2025US 2025/0110405 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Novel 1,2-cyclohexylaminoaryl amides useful as analgesic agents60US 4,906,655 AWarner-Lambert Company · 1990
- Polymerization processes for olefins51US 5,852,145 AE. I. Du Pont de Nemours and Company · 1998
- Catalysts containing N-pyrrolyl substituted nitrogen donors51US 6,545,108 B1Eastman Chemical Company · 2003
- Substituted guanidines and derivatives thereof as modulators of neurotransmitter release and novel methodology for identifying neurotransmitter release blockers47US 5,403,861 ACambridge NeuroScience, Inc. · 1995
- Halogenated oxime derivatives and the use thereof41US 7,399,577 B2Ciba Specialty Chemicals Corporation · 2008