C08G 18/1841
Having carbonyl groups which may be linked to one or more nitrogen
Official title: {having carbonyl groups which may be linked to one or more nitrogen or oxygen atoms}
C08G18/1841 (Having carbonyl groups which may be linked to one or more nitrogen) appears on 78 US grants and 55 published applications in this corpus.
Search patents in C08G- Granted patents
- 78
- Published applications
- 55
- Assignees
- 40
- Inventors
- 198
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 0 |
| 2003 | 2 | 1 |
| 2004 | 4 | 6 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 4 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 3 | 2 |
| 2017 | 0 | 2 |
| 2018 | 4 | 5 |
| 2019 | 0 | 3 |
| 2020 | 2 | 4 |
| 2021 | 7 | 2 |
| 2022 | 0 | 3 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curable composition, cured product, and method of producing cured product8 Oct 2024US 12,110,360 B2Tokyo University of Science Foundation
- Nitrogen-free and low-nitrogen crosslinking additives for cold-cure flexible slabstock foam having improved compression and aging properties13 Aug 2024US 12,060,451 B2Evonik Operations GmbH
- Polyurethane-based insulation body and method for producing same13 Aug 2024US 12,060,471 B2Covestro Intellectual Property GmbH & Co.KG
- Reactive amine catalysts for polyurethane applications28 Dec 2021US 11,208,519 B2Evonik Operations GmbH
- Polyurethane foam and process for producing same9 Nov 2021US 11,168,172 B2Covestro Deutschland AG
- Polyol catalyst for a two-component polyurethane system11 Jun 2026US 2026/0159629 A1Arkema France
- Two-part polyurethane-(meth) acrylic hybrid adhesive composition24 Apr 2025US 2025/0129277 A1Henkel AG & Co. KGaA
- Zwitterionic compound, and blocking agent dissociation catalyst for blocked isocyanate, blocked isocyanate composition containing blocking agent dissociation catalyst, thermosetting resin composition, cured product and method for manufacturing same, and carbonate compound17 Apr 2025US 2025/0122322 A1Koei Chemical Company, Limited
- Onium salt, blocking agent dissociation catalyst for blocked isocyanate, blocked isocyante composition including blocking agent dissociation catalyst, thermosetting resin composition, and cured product and manufacturing method therefor17 Apr 2025US 2025/0122323 A1Koei Chemical Company, Limited
- Flame retardant flexible polyurethane foam for automotive seating6 Mar 2025US 2025/0075026 A1Dow Global Technologies LLC
Most cited
By later US patents
- Tertiary amines as catalysts in polyurethane manufacture41US 4,007,140 AImperial Chemical Industries PLC · 1977
- Two-component polyurethane adhesives38US 5,349,040 ABayer Aktiengesellschaft · 1994
- Process for the production of polyisocyanate addition products and composite polyisocyanate addition products37US 4,644,017 ABayer Aktiengesellschaft · 1987
- Substituted ureas as polyurethane catalysts31US 4,094,827 ATexaco Development Corporation · 1978
- Biomedical devices29US 4,284,506 ANL Industries, Inc. · 1981