C08G 18/5054
Containing heterocyclic rings having at least one nitrogen atom in the ring
Official title: {containing heterocyclic rings having at least one nitrogen atom in the ring}
C08G18/5054 (Containing heterocyclic rings having at least one nitrogen atom in the ring) appears on 38 US grants and 23 published applications in this corpus.
Search patents in C08G- Granted patents
- 38
- Published applications
- 23
- Assignees
- 26
- Inventors
- 110
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyurethane insulation foam composition comprising a stabilizing compound14 Apr 2026US 12,600,813 B2Huntsman International LLC
- Polyurethane material with a high temperature resistance24 Jun 2025US 12,338,313 B2BASF SE
- Polyurethane insulation foam composition comprising a stabilizing compound16 Apr 2024US 11,958,935 B2Huntsman International LLC
- Polymer comprising repeating units consisting of a substituted pyrrole ring and products obtained by combining said polymers with carbon allotropes25 Oct 2022US 11,479,634 B2Politecnico Di Milano
- Compositions and methods to produce alkoxylated triazine-arylhydroxy-aldehyde condensates31 Mar 2020US 10,604,614 B2Hexion Inc.
- Polyurethane insulation foam composition comprising a stabilizing compound17 Sep 2026US 2026/0275024 A1Huntsman International LLC
- Polyurethane insulation foam composition comprising a stabilizing compound4 Jun 2026US 2026/0152598 A1Huntsman International LLC
- Polyurethane insulation foam composition comprising a stabilizing compound21 May 2026US 2026/0139089 A1Huntsman International LLC
- Polyurethane insulation foam composition comprising a stabilizing compound21 May 2026US 2026/0139090 A1Huntsman International LLC
- A coating composition26 Feb 2026US 2026/0055296 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Chain-extendable crosslinkable urethane modified polyhydroxy oligomers and coating composition comprising same31US 4,554,188 AFord Motor Company · 1985
- Method of producing polyurethane-based cores and moulds according to the so-called cold-box procedure23US 3,933,727 AAB Bofors · 1976
- Process for preparing rigid polyurethane foams22US 4,704,411 AThe Dow Chemical Company · 1987
- Polyurea polymers formed from polyethers having terminal amino groups19US 4,260,729 ALim-Holding S.A. · 1981
- Molded rigid polyurethane foams prepared from aminoalkylpiperazine-initiated polyols19US 4,704,410 AThe Dow Chemical Company · 1987