C07D 229/00
Heterocyclic compounds containing rings of less than five members having two nitrogen
Official title: Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms
C07D229/00 (Heterocyclic compounds containing rings of less than five members having two nitrogen) appears on 106 US grants and 86 published applications in this corpus.
Search patents in C07D- Granted patents
- 106
- Published applications
- 86
- Assignees
- 91
- Inventors
- 333
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 5 |
| 2005 | 2 | 4 |
| 2006 | 5 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 3 | 6 |
| 2015 | 2 | 3 |
| 2016 | 1 | 5 |
| 2017 | 2 | 1 |
| 2018 | 3 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 5 |
| 2021 | 2 | 3 |
| 2022 | 2 | 16 |
| 2023 | 3 | 1 |
| 2024 | 2 | 6 |
| 2025 | 4 | 4 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Diazirine-based molecules and uses thereof2 Jun 2026US 12,643,863 B2
- Sulfur and amide tropolone inhibitors of nucleotidyl transferases and uses therefor21 Apr 2026US 12,606,529 B2Research Foundation of the City University of New York
- Carbene mass tagging21 Apr 2026US 12,607,636 B2Northeastern University
- High-throughput method to rapidly add chemical moieties to a small molecule library17 Mar 2026US 12,577,200 B2Massachusetts Institute of Technology
- Processes and compounds for the decarboxylative amination of redox-active esters with diazirines10 Mar 2026US 12,570,611 B2H. Lee Moffitt Cancer Center and Research Institute, Inc.
- Beta-elemene derivative containing photoaffinity group diazirine, and preparation method and use thereof as photoaffinity molecular probe8 Oct 2026US 2026/0308128 A1Hangzhou Normal University
- Diazirine-based Molecules and Uses Thereof24 Sep 2026US 2026/0285813 A1Xlynxmaterialsinc.
- Degrader compounds of qsox1 mrna27 Aug 2026US 2026/0250738 A9University of Florida Research Foundation, Inc.
- Crosslinking Compound, Ink Composition and Film Comprising the Same20 Aug 2026US 2026/0242342 A1Unist (Ulsan National Institute of Science and Technology)
- Crosslinking compound and film comprising the same30 Jul 2026US 2026/0217655 A1Unist (Ulsan National Institute of Science and Technology)
Most cited
By later US patents
- Process for the preparation of polyisocyanates containing uretdione and isocyanurate groups, the polyisocyanates obtained by this process and their use in two-component polyurethane coatings86US 4,994,541 ABayer Aktiengesellschaft · 1991
- Diphenylmethane diisocyanate compositions61US 4,031,026 AImperial Chemical Industries PLC · 1977
- Polyisocyanates which contain carbodiimide groups and which are stable in storage53US 4,294,719 ABayer Aktiengesellschaft · 1981
- Carbodiimides37US 4,014,935 AImperial Chemical Industries PLC · 1977
- Polyisocyanate mixtures, processes for their production and their use as binders for coating compositions or as reactants for compounds reactive to isocyanate groups or carboxyl groups34US 5,098,983 ABayer Aktiengesellschaft · 1992