C07C 251/38
To carbon atoms of a saturated carbon skeleton
Official title: to carbon atoms of a saturated carbon skeleton
C07C251/38 (To carbon atoms of a saturated carbon skeleton) appears on 157 US grants and 112 published applications in this corpus.
Search patents in C07C- Granted patents
- 157
- Published applications
- 112
- Assignees
- 88
- Inventors
- 416
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 8 |
| 2005 | 4 | 2 |
| 2006 | 5 | 1 |
| 2007 | 3 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 4 |
| 2012 | 2 | 4 |
| 2013 | 1 | 7 |
| 2014 | 5 | 5 |
| 2015 | 11 | 7 |
| 2016 | 5 | 8 |
| 2017 | 4 | 4 |
| 2018 | 4 | 9 |
| 2019 | 6 | 7 |
| 2020 | 7 | 4 |
| 2021 | 4 | 5 |
| 2022 | 5 | 11 |
| 2023 | 10 | 4 |
| 2024 | 2 | 7 |
| 2025 | 7 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lipids and compositions for the delivery of therapeutics28 Oct 2025US 12,453,776 B2Arbutus Biopharma Corporation
- Biodegradable lipids for the delivery of active agents22 Jul 2025US 12,364,762 B2Alnylam Pharmaceuticals, Inc.
- Biodegradable lipids for the delivery of active agents8 Jul 2025US 12,350,338 B2Alnylam Pharmaceuticals, Inc.
- Biodegradable lipids for the delivery of active agents1 Jul 2025US 12,343,398 B2Alnylam Pharmaceuticals, Inc.
- Compounds and compositions for intracellular delivery of therapeutic agents10 Jun 2025US 12,324,859 B2ModernaTX, Inc.
- Novel lipids and compositions for the delivery of therapeutics13 Aug 2026US 2026/0232810 A1Arbutus Biopharma Corporation
- New process for the manufacture of mdm2-p53 antagonists23 Jul 2026US 2026/0209169 A1Boehringer Ingelheim International GmbH
- Urease inhibiting composition and use of same19 Mar 2026US 2026/0078068 A1Fertinagro Biotech, S.L.
- Compounds and compositions for intracellular delivery of therapeutic agents12 Mar 2026US 2026/0069549 A1ModernaTX, Inc.
- Compounds and compositions for intracellular delivery of therapeutic agents17 Jul 2025US 2025/0228777 A1ModernaTX, Inc.
Most cited
By later US patents
- Lipids and compositions for the delivery of therapeutics102US 8,999,351 B2Tekmira Pharmaceuticals Corporation · 2015
- Lipids and compositions for the delivery of therapeutics101US 9,186,325 B2Tekmira Pharmaceuticals Corporation · 2015
- Compounds and compositions for intracellular delivery of therapeutic agents88US 10,857,105 B2MordernaTX, Inc. · 2020
- 2-amino-1,3-propanediol compound and immunosuppressant76US 5,604,229 ATaito Co., Ltd. · 1997
- N,N′-substituted-1,3-diamino-2-hydroxypropane derivatives56US 7,176,242 B2Elan Pharmaceuticals, Inc. · 2007