C08G 18/482
Mixtures of polyethers containing at least one polyether containing nitrogen
Official title: {Mixtures of polyethers containing at least one polyether containing nitrogen}
C08G18/482 (Mixtures of polyethers containing at least one polyether containing nitrogen) appears on 324 US grants and 346 published applications in this corpus.
Search patents in C08G- Granted patents
- 324
- Published applications
- 346
- Assignees
- 137
- Inventors
- 871
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 9 | 17 |
| 2003 | 16 | 16 |
| 2004 | 11 | 15 |
| 2005 | 1 | 9 |
| 2006 | 3 | 5 |
| 2007 | 4 | 11 |
| 2008 | 1 | 11 |
| 2009 | 3 | 13 |
| 2010 | 5 | 7 |
| 2011 | 7 | 16 |
| 2012 | 10 | 21 |
| 2013 | 10 | 18 |
| 2014 | 1 | 13 |
| 2015 | 9 | 10 |
| 2016 | 10 | 14 |
| 2017 | 10 | 8 |
| 2018 | 9 | 22 |
| 2019 | 16 | 15 |
| 2020 | 13 | 15 |
| 2021 | 7 | 22 |
| 2022 | 9 | 19 |
| 2023 | 11 | 8 |
| 2024 | 12 | 19 |
| 2025 | 9 | 10 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rigid polyurethane foam and multilayer thermal insulation assemblies containing the foam9 Jun 2026US 12,649,815 B2Dow Global Technologies LLC
- Isocyanate-terminated prepolymers based on polyoxymethylene-polyoxyalkylene block copolymers, process for the preparation and use thereof2 Jun 2026US 12,643,976 B2Power2Polymers GmbH
- Dimensionally stable polyurethanes and composites12 May 2026US 12,624,147 B2Dow Global Technologies LLC
- Polyurethane insulation foam composition comprising a stabilizing compound14 Apr 2026US 12,600,813 B2Huntsman International LLC
- Rigid polyurethane foam made with a hydrocarbon blowing agent and 1,1,1,4,4,4-hexafluorobut-2-ene10 Mar 2026US 12,570,786 B2Dow Global Technologies LLC
- Polyurethane insulation foam composition comprising a stabilizing compound17 Sep 2026US 2026/0275024 A1Huntsman International LLC
- Laminated parts containing a hard polyurethane outer layer and methods for their production30 Jul 2026US 2026/0216964 A1Covestro LLC
- Polyurethane composition for rotational molding and use thereof30 Jul 2026US 2026/0217895 A1BASF SE
- Polyurethane foam-forming reaction mixtures, polyurethane foams formed therefrom, and methods for their production and use16 Jul 2026US 2026/0201107 A1Covestro LLC
- Value chain return process for the recovery and of polymeric methylene phenylene amine (pmda) as its hci salt from the depolymerization of spend polyurethane and polyisocyanurate rigid foams18 Jun 2026US 2026/0167796 A1BASF SE
Most cited
By later US patents
- Thermal insulation foamed material having carbon dioxide absorbents and method for manufacturing same58US 5,792,801 AMatsushita Refrigeration Company · 1998
- Polyurethane/polyurea elastomers50US 5,688,860 AMinnesota Mining and Manufacturing Company · 1997
- Sprayable polyurethane compositions39US 5,614,575 ARPG. Inc. · 1997
- Fluorine-containing hydrocarbon composition36US 5,895,793 AAsahi Glass Company, Limited · 1999
- Rigid foams using CHClF.sub.2 as a blowing agent35US 5,032,623 AFoam Supplies, Inc. · 1991