C04B 24/128
Heterocyclic nitrogen compounds
Official title: {Heterocyclic nitrogen compounds}
C04B24/128 (Heterocyclic nitrogen compounds) appears on 31 US grants and 40 published applications in this corpus.
Search patents in C04B- Granted patents
- 31
- Published applications
- 40
- Assignees
- 36
- Inventors
- 113
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 3 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 4 | 2 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 1 | 4 |
| 2025 | 2 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispersion-based ready-to-use (RTU) technology with performance of a reactive resin25 Nov 2025US 12,479,764 B2Laticrete International, Inc.
- Method for selecting the composition of a construction material comprising an excavated clay soil, method and system for preparing such a construction material11 Feb 2025US 12,221,390 B2Materrup
- Dispersion-based ready-to-use (RTU) technology with performance of a reactive resin16 Apr 2024US 11,958,775 B2Laticrete International, Inc.
- Method for selecting the composition of a construction material comprising an excavated clay soil, method and system for preparing such a construction material28 Nov 2023US 11,827,573 B2Materrup
- Emulsifying composition for spreading bitumen22 Aug 2023US 11,731,905 B2Arkema France
- Two-component mortar composition with temperature-responsive inhibitor17 Sep 2026US 2026/0274750 A1Hilti Aktiengesellschaft
- Dispersion-Based Ready-to-Use (RTU) Technology with Performance of a Reactive Resin26 Feb 2026US 2026/0055029 A1Laticrete International, Inc.
- Concrete Composition with Corrosion Inhibitor5 Feb 2026US 2026/0035302 A1
- Degraded amine solution as performance enhancer27 Nov 2025US 2025/0361181 A1HSustainability GmbH
- Hydraulically curable inorganic cement composition10 Jul 2025US 2025/0223226 A1Heraeus Electronics GmbH & Co. KG
Most cited
By later US patents
- Mold-resistant gypsum panel and method of making same66US 6,893,752 B2United States Gypsum Company · 2005
- Mold resistant acoustical panel31US 7,056,582 B2USG Interiors, Inc. · 2006
- Wax emulsion preservative compositions and method of manufacture31US 7,294,189 B2Hexion Specialty Chemicals, Inc. · 2007
- Admixture for producing cementitious compositions having good fluidity and high early compressive strength30US 6,767,399 B2The Euclid Chemical Company · 2004
- Additive for hydraulic cement mixes17US 4,606,770 ASandoz Ltd. · 1986