C07C 271/52
To carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being
Official title: to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups
C07C271/52 (To carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being) appears on 55 US grants and 64 published applications in this corpus.
Search patents in C07C- Granted patents
- 55
- Published applications
- 64
- Assignees
- 56
- Inventors
- 146
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 3 | 3 |
| 2006 | 1 | 4 |
| 2007 | 4 | 1 |
| 2008 | 4 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 3 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 0 |
| 2015 | 2 | 6 |
| 2016 | 4 | 4 |
| 2017 | 2 | 5 |
| 2018 | 2 | 0 |
| 2019 | 2 | 4 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 0 |
| 2023 | 1 | 4 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analogs of pterostilbene amino acid bearing carbonates for treating a non-alcoholic fatty liver disease and nonalcoholic steatohepatitis11 Nov 2025US 12,466,784 B2Apical Molecular Biotech Co., Ltd.
- Composition and methods for tumor imaging and treatment12 Nov 2024US 12,138,320 B2The University of Chicago
- Prodrugs of phenolic TRPV1 agonists25 Apr 2023US 11,634,384 B2Concentric Analgesics, Inc.
- Polymer photopolymerization sensitizer23 Aug 2022US 11,420,928 B2Kawasaki Kasei Chemicals Ltd.
- DNP and DNP prodrug treatment of neuromuscular, neurodegenerative, autoimmune, developmental, traumatic brain injury, concussion, dry eye disease, hearing loss and/or metabolic diseases9 Aug 2022US 11,406,642 B2BioVentures, LLC
- Compound and use thereof in treatment of treg-related diseases9 Jul 2026US 2026/0193222 A1Benethera (Shaoxing) Biotechnology Co., Ltd.
- Prodrugs of phenolic trpv1 agonists25 Dec 2025US 2025/0388533 A1Concentric Analgesics, Inc.
- Composition and methods for tumor imaging and treatment27 Feb 2025US 2025/0064989 A1The University of Chicago
- Prodrugs of tapinarof26 Sep 2024US 2024/0317789 A1Allianthera Boston Inc.
- Novel analogs of pterostilbene amino acid bearing carbonates for treating a non-alcoholic fatty liver disease and nonalcoholic steatohepatitis27 Jul 2023US 2023/0234912 A1Apical Molecular Biotech Co., Ltd.
Most cited
By later US patents
- Prodrugs of cannabidiol, compositions comprising prodrugs of cannabidiol and methods of using the same88US 8,293,786 B2AllTranz Inc. · 2012
- Glucocorticoid receptor modulators32US 6,380,223 B1Pfizer Inc. · 2002
- Use of cannabidiol prodrugs in topical and transdermal administration with microneedles30US 9,533,942 B2Zynerba Pharmaceuticals, Inc. · 2017
- Derivatives of 3,3-diphenylpropylamines18US 6,713,464 B1Schwarz Pharma AG · 2004
- Prodrugs of phenolic TRPV1 agonists16US 9,359,316 B1Concentric Analgesics, Inc. · 2016