C07C 43/202
The aromatic ring being a naphthalene
Official title: {the aromatic ring being a naphthalene}
C07C43/202 (The aromatic ring being a naphthalene) appears on 46 US grants and 27 published applications in this corpus.
Search patents in C07C- Granted patents
- 46
- Published applications
- 27
- Assignees
- 37
- Inventors
- 132
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of manufacturing crystalline and amorphous forms of 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl and thermoplastic resin therefrom3 Feb 2026US 12,540,215 B2Mitsubishi Gas Chemical Company, Inc.
- Light emitting element3 Feb 2026US 12,543,428 B2Samsung Display Co., Ltd.
- Thermoplastic resin, method for manufacturing same, and optical lens6 Jan 2026US 12,516,153 B2Mitsubishi Gas Chemical Company, Inc.
- Ion channel antagonists/blockers and uses thereof7 Jan 2025US 12,187,681 B2Shanghai East Hospital
- Radical polymerization control agent and radical polymerization control method28 Mar 2023US 11,613,509 B2Kawasaki Kasei Chemicals Ltd.
- Thermoplastic resin, method for manufacturing same, and optical lens11 Sep 2025US 2025/0282910 A1Mitsubishi Gas Chemical Company, Inc.
- Light emitting element20 Apr 2023US 2023/0117065 A1Samsung Display Co., Ltd.
- Ion Channel Antagonists/Blockers and Uses Thereof19 Jan 2023US 2023/0015875 A1Shanghai East Hospital
- Thermoplastic resin, method for manufacturing same, and optical lens4 Aug 2022US 2022/0243008 A1Mitsubishi Gas Chemical Company, Inc.
- Thermoplastic resin, method for manufacturing same, and optical lens12 May 2022US 2022/0145004 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Liquid crystalline materials62US 4,113,647 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1978
- Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom32US 5,087,743 ABASF SE · 1992
- Liquid crystal materials17US 4,119,558 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1978
- Deoxygossylic compounds12US 5,780,675 AUniversity of New Mexico · 1998
- Crown ether compound and separating agent10US 4,942,149 ADaicel Chemical Industries, Ltd. · 1990