C07C 63/33
Polycyclic acids
C07C63/33 (Polycyclic acids) appears on 250 US grants and 128 published applications in this corpus.
Search patents in C07C- Granted patents
- 250
- Published applications
- 128
- Assignees
- 160
- Inventors
- 560
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 4 |
| 2003 | 6 | 5 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 1 | 4 |
| 2007 | 3 | 4 |
| 2008 | 4 | 5 |
| 2009 | 3 | 1 |
| 2010 | 4 | 5 |
| 2011 | 1 | 0 |
| 2012 | 3 | 5 |
| 2013 | 3 | 7 |
| 2014 | 4 | 6 |
| 2015 | 7 | 6 |
| 2016 | 4 | 5 |
| 2017 | 6 | 3 |
| 2018 | 2 | 8 |
| 2019 | 3 | 11 |
| 2020 | 8 | 4 |
| 2021 | 5 | 9 |
| 2022 | 4 | 9 |
| 2023 | 5 | 6 |
| 2024 | 3 | 3 |
| 2025 | 5 | 3 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Substrate processing apparatus, processing gas concentrating apparatus, and substrate processing method21 Apr 2026US 12,606,910 B2Tokyo Electron Limited
- Composite material, method for preparing the same, and light-emitting diode31 Mar 2026US 12,590,052 B2Tcl Technology Group Corporation
- Substrate processing apparatus, raw material cartridge, substrate processing method, and raw material cartridge manufacturing method20 Jan 2026US 12,529,138 B2Tokyo Electron Limited
- Benzodiazepine compound, preparation method therefor, and use thereof in medicine18 Nov 2025US 12,473,291 B2West China Hospital, Sichuan University
- Compounds and use thereof in methods of treatment9 Sep 2025US 12,410,116 B2The University of Queensland
- Metal organic framework20 Aug 2026US 2026/0242325 A1Kyoto University
- Aromatic compound, mixture, molecular probe for hyperpolarization, metabolite, diagnostic agent, derivatization agent, naphthalene derivative, catechol derivative, and compound23 Jul 2026US 2026/0209158 A1Nagoya Denki Educational Foundation
- Compounds for the Treatment of Neuromuscular Disorders16 Jul 2026US 2026/0199273 A1Nmd Pharma A/S
- Nanoscale geometrical quantity certified reference material, and preparation method and use thereof2 Jul 2026US 2026/0184560 A1National Institute of Metrology, China
- Novel monomer and chemically recyclable polymer material comprising the same26 Mar 2026US 2026/0085055 A1Korea Institute of Science and Technology
Most cited
By later US patents
- Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities164US 5,877,207 AAllergan Sales, Inc. · 1999
- Method of identifying negative hormone and/or antagonist activities151US 5,776,699 AAllergan, Inc. · 1998
- Organometallic fluorenyl compounds, preparation, and use147US 5,436,305 APhillips Petroleum Company · 1995
- Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives142US 4,826,969 ACentre International de Recherches Dermatologiques (C.I.R.D.) · 1989
- Hydrogenated naphthalenes137US 4,391,731 AHoffmann-La Roche Inc. · 1983