C07C 271/06
Esters of carbamic acids
C07C271/06 (Esters of carbamic acids) appears on 3,838 US grants and 3,205 published applications in this corpus.
Search patents in C07C- Granted patents
- 3,838
- Published applications
- 3,205
- Assignees
- 1,634
- Inventors
- 9,881
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 29 | 0 |
| 1978 | 30 | 0 |
| 1979 | 25 | 0 |
| 1980 | 15 | 0 |
| 1981 | 21 | 0 |
| 1982 | 15 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 20 | 0 |
| 1986 | 26 | 0 |
| 1987 | 16 | 0 |
| 1988 | 20 | 0 |
| 1989 | 29 | 0 |
| 1990 | 46 | 0 |
| 1991 | 64 | 0 |
| 1992 | 82 | 0 |
| 1993 | 68 | 0 |
| 1994 | 67 | 0 |
| 1995 | 103 | 0 |
| 1996 | 109 | 0 |
| 1997 | 144 | 0 |
| 1998 | 144 | 0 |
| 1999 | 134 | 0 |
| 2000 | 108 | 0 |
| 2001 | 114 | 21 |
| 2002 | 133 | 132 |
| 2003 | 124 | 173 |
| 2004 | 96 | 178 |
| 2005 | 71 | 122 |
| 2006 | 90 | 120 |
| 2007 | 77 | 116 |
| 2008 | 93 | 119 |
| 2009 | 76 | 144 |
| 2010 | 103 | 149 |
| 2011 | 86 | 129 |
| 2012 | 110 | 138 |
| 2013 | 100 | 147 |
| 2014 | 130 | 139 |
| 2015 | 119 | 148 |
| 2016 | 147 | 147 |
| 2017 | 131 | 149 |
| 2018 | 102 | 118 |
| 2019 | 110 | 131 |
| 2020 | 99 | 121 |
| 2021 | 67 | 96 |
| 2022 | 70 | 91 |
| 2023 | 60 | 104 |
| 2024 | 62 | 90 |
| 2025 | 73 | 113 |
| 2026 | 29 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ionizable cationic lipids for RNA delivery1 Sep 2026US 12,723,023 B2Arcturus Therapeutics, Inc.
- Process for preparing a GIP/GLP1 dual agonist25 Aug 2026US 12,715,901 B2Eli Lilly and Company
- Nitrogen-branched non-linear pegylated lipid containing a tertiary amine and application thereof18 Aug 2026US 12,708,675 B2Xiamen Sinopeg Biotech Co., Ltd.
- Compositions and methods of making expanded hematopoietic stem cells using derivatives of fluorene4 Aug 2026US 12,698,255 B2ImmuneBridge Inc.
- Cationic lipids and preparation method thereof28 Jul 2026US 12,691,070 B2RiboX Therapeutics HK Limited
- Hydrocarbon terminal group-containing compound, surface treatment agent, and article8 Oct 2026US 2026/0308392 A1Shin-Etsu Chemical Co., Ltd.
- Ionizable lipid compound, lipid carrier comprising same, and application1 Oct 2026US 2026/0294810 A1Innovec Biotherapeutics
- Free-radically polymerisable compound and composition1 Oct 2026US 2026/0297020 A1
- Lipid nanoparticle for targeted delivery of therapeutic payloads24 Sep 2026US 2026/0285801 A1Trustees of Tufts College
- Process for preparing (r)-2-amino-3-phenylpropyl carbamate17 Sep 2026US 2026/0274788 A1Inke, S.A.
Most cited
By later US patents
- Novel vinyl carbonate and vinyl carbamate contact lens material monomers474US 5,070,215 ABausch & Lomb Incorporated · 1991
- Lipopolyamines, their preparation and their use287US 5,171,678 ACentre National De La Recherche Scientifique · 1992
- Bioconjugation of macromolecules259US 6,737,236 B1Proligo LLC · 2004
- Immunological materials242US 4,046,722 AG. D. Searle & Co. · 1977
- UV curable crosslinking agents useful in copolymerization224US 5,449,729 ABausch & Lomb Incorporated · 1995