C07D 473/12
With methyl radicals in positions 1, 3, and 7
Official title: with methyl radicals in positions 1, 3, and 7, e.g. caffeine
C07D473/12 (With methyl radicals in positions 1, 3, and 7) appears on 73 US grants and 72 published applications in this corpus.
Search patents in C07D- Granted patents
- 73
- Published applications
- 72
- Assignees
- 76
- Inventors
- 290
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 6 |
| 2011 | 1 | 7 |
| 2012 | 2 | 7 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 4 |
| 2016 | 2 | 3 |
| 2017 | 1 | 4 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 4 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 0 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tetrahydrococannabinolic acid cocrystals11 Aug 2026US 12,702,675 B2Manoira Corporation
- Solid state forms of Resmetirom5 May 2026US 12,616,701 B2Assia Chemical Industries Ltd.
- Compositions providing slow release of caffeine26 Aug 2025US 12,398,137 B2PepsiCo, Inc.
- Co-crystals, method and apparatus for forming the same4 Mar 2025US 12,240,852 B2The Regents of the University of Michigan
- Supercritical fluid extraction process with integrated pressure exchanger18 Feb 2025US 12,227,505 B2
- Solid state forms of resmetirom13 Aug 2026US 2026/0232680 A1Assia Chemical Industries Ltd.
- Compounds for reducing cholesterol and treating liver and kidney disease4 Jun 2026US 2026/0151398 A1McMaster University
- Novel cocrystals of methylxanthines, their polymorphs and process thereof5 Mar 2026US 2026/0062414 A1Fertis India Pvt Ltd
- Compositions providing slow release of caffeine22 Jan 2026US 2026/0022121 A1PepsiCo, Inc.
- Ep4 antagonist compound as well as salt, polymorph and use thereof7 Nov 2024US 2024/0368088 A1Wuhan Humanwell Innovative Drug Research and Development Center Limited Company
Most cited
By later US patents
- Antimigraine 8-[3-(4-aminocarbonyl piperazino and piperidino) propyl[xanthines93US 4,599,338 AAdir, S.A.R.L. · 1986
- Vasoprotective and cardioprotective antidiabetic therapy53US 9,034,883 B2Boehringer Ingelheim International GmbH · 2015
- Poly (ADP-ribose) polymerase (PARP) inhibitors36US 8,669,249 B2Takeda Pharmaceutical Company Limited · 2014
- Process for removing stimulating compounds from cocoa24US 4,444,798 ASociete d'Assistance Technique pour Produits Nestle S. A. · 1984
- Nucleic acid melting analysis with saturation dyes22US 7,456,281 B2Idaho Technology, Inc. · 2008