C08G 18/2072
Having at least three nitrogen atoms in the condensed ring system
Official title: {having at least three nitrogen atoms in the condensed ring system}
C08G18/2072 (Having at least three nitrogen atoms in the condensed ring system) appears on 16 US grants and 27 published applications in this corpus.
Search patents in C08G- Granted patents
- 16
- Published applications
- 27
- Assignees
- 25
- Inventors
- 103
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 6 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 0 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Polyisocyanate composition, film-forming composition, film, film laminate, adhesive resin composition and adhesive resin-cured product, coating composition and coating material-cured product24 Jun 2025US 12,338,314 B2Asahi Kasei Kabushiki Kaisha
- Curable composition, cured product, and method of producing cured product8 Oct 2024US 12,110,360 B2Tokyo University of Science Foundation
- Insulated pipe containing polyurethane foam which is foamed by an environmentally friendly foaming agent and has a low degree of brittleness14 May 2024US 11,982,395 B2BASF SE
- Low-temperature curing adhesive compositions9 Apr 2024US 11,952,514 B2PPG Industries Ohio, Inc.
- Vitrimerization of polyurethane12 Feb 2026US 2026/0042896 A1
- Method of fast curing a polythiourethane based substrate using a delayed-action catalyst2 Oct 2025US 2025/0304740 A1Essilor International
- Low-temperature curing coating compositions6 Feb 2025US 2025/0043165 A1PPG Industries Ohio, Inc.
- Method for preparing a polyurethane polymer7 Nov 2024US 2024/0368443 A1Bostik SA
- Polyisocyanate composition, film-forming composition, film, film laminate, adhesive resin composition and adhesive resin-cured product, coating composition and coating material-cured product19 Sep 2024US 2024/0309146 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization10US 5,395,859 AAlliedSignal Inc. · 1995
- Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization9US 5,561,171 AAlliedSignal Inc. · 1996
- Catalyst composition for production of polyurethane resin and method for producing polyurethane resin4US 8,877,825 B2Tosoh Corporation · 2014
- Process for producing flexible polyurethane foam using hexahydro-S-triazine catalysts2US 4,814,359 AUnion Carbide Corporation · 1989
- Process for producing flexible polyurethane foam using hexahydro-s-triazine catalysts2US 4,902,723 AUnion Carbide Chemicals and Plastics Company Inc. · 1990