C07C 309/13
Containing nitrogen atoms, not being part of nitro or nitroso groups, bound
Official title: containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
C07C309/13 (Containing nitrogen atoms, not being part of nitro or nitroso groups, bound) appears on 379 US grants and 379 published applications in this corpus.
Search patents in C07C- Granted patents
- 379
- Published applications
- 379
- Assignees
- 228
- Inventors
- 937
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 5 |
| 2003 | 5 | 5 |
| 2004 | 3 | 5 |
| 2005 | 1 | 7 |
| 2006 | 4 | 6 |
| 2007 | 3 | 8 |
| 2008 | 4 | 7 |
| 2009 | 3 | 16 |
| 2010 | 9 | 16 |
| 2011 | 9 | 19 |
| 2012 | 9 | 14 |
| 2013 | 12 | 17 |
| 2014 | 15 | 19 |
| 2015 | 19 | 10 |
| 2016 | 12 | 15 |
| 2017 | 17 | 27 |
| 2018 | 10 | 22 |
| 2019 | 16 | 22 |
| 2020 | 32 | 34 |
| 2021 | 21 | 31 |
| 2022 | 19 | 13 |
| 2023 | 18 | 23 |
| 2024 | 14 | 12 |
| 2025 | 13 | 14 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for making taurine22 Sep 2026US 12,741,935 B2Archer Daniels Midland Company
- Mining collectors15 Sep 2026US 12,734,529 B1
- Surfactants for agricultural products17 Mar 2026US 12,575,563 B2AdvanSix Resins & Chemicals LLC
- System and method for efficiently preparing taurine continuously3 Mar 2026US 12,565,472 B2Hubei Grand Life Science and Technology Co., Ltd.
- Dual-phase zwitterionic monomers3 Mar 2026US 12,565,554 B2Kunzler Biomedical LLC
- Compounds and compositions for treating glucose hypometabolic disorders8 Oct 2026US 2026/0306523 A1Senovia Biosciences LLC
- Crystalline form of 2-acrylamido-2-methylpropanesulphonic acid sodium salt10 Sep 2026US 2026/0265186 A1Snf Group
- Composite emulsifier and oil-based drilling fluid13 Aug 2026US 2026/0234461 A1China Petroleum & Chemical Corporation
- Resist composition and method for producing resist pattern, and salt and resin23 Jul 2026US 2026/0211321 A1Sumitomo Chemical Company, Limited
- Wellbore fluids including emulsifiers, and related methods9 Jul 2026US 2026/0193513 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Reagent for detecting an analyte468US 7,892,748 B2Precisense A/S · 2011
- Reagent for detecting an analyte465US 8,318,443 B2Medtronic MiniMed, Inc. · 2012
- Photoactivatable water soluble cross-linking agents containing an onium group198US 5,714,360 ABSI Corporation · 1998
- Photoactivatable cross-linking agents containing charged groups for water solubility117US 6,077,698 ASurModics, Inc. · 2000
- IL-8 receptor antagonists92US 5,886,044 ASmithKline Beecham Corporation · 1999