C08J 2205/10
Rigid foams
C08J2205/10 (Rigid foams) appears on 344 US grants and 514 published applications in this corpus.
Search patents in C08J- Granted patents
- 344
- Published applications
- 514
- Assignees
- 194
- Inventors
- 1,125
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 5 |
| 2003 | 7 | 10 |
| 2004 | 5 | 13 |
| 2005 | 5 | 12 |
| 2006 | 0 | 7 |
| 2007 | 5 | 6 |
| 2008 | 1 | 5 |
| 2009 | 2 | 7 |
| 2010 | 2 | 5 |
| 2011 | 2 | 14 |
| 2012 | 4 | 7 |
| 2013 | 10 | 10 |
| 2014 | 6 | 20 |
| 2015 | 11 | 26 |
| 2016 | 16 | 37 |
| 2017 | 18 | 40 |
| 2018 | 23 | 46 |
| 2019 | 21 | 37 |
| 2020 | 33 | 38 |
| 2021 | 24 | 35 |
| 2022 | 16 | 36 |
| 2023 | 24 | 35 |
| 2024 | 27 | 32 |
| 2025 | 19 | 16 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blasthole stemming based on formaldehyde resins, system and charging method6 Oct 2026US 12,754,001 B2Oxiquim S.A.
- Polyol premixes, thermally insulating rigid polyurethane foams and methods for their production22 Sep 2026US 12,742,034 B2Covestro LLC
- Process for producing isocyanate-based foam construction boards8 Sep 2026US 12,729,278 B2Amrize Technology Switzerland LLC
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production14 Jul 2026US 12,679,922 B2Covestro LLC
- Processing aids for use in manufacture extruded polystyrene foams using low global warming potential blowing agents14 Jul 2026US 12,679,942 B2Owens Corning Intellectual Capital, LLC
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production24 Sep 2026US 2026/0286035 A1Covestro LLC
- Hydrophobic lignin-based in-built fire retardant, its preparation and application in polyurethane foam17 Sep 2026US 2026/0275197 A1Nano and Advanced Materials Institute Limited
- Production of flame-retardent polyurethane foam10 Sep 2026US 2026/0265440 A1Evonik Operations GmbH
- Imide-containing polyester polyols and intumescent rigid foams10 Sep 2026US 2026/0265445 A1Stepan Company
- System and method for generating a foam20 Aug 2026US 2026/0242556 A1
Most cited
By later US patents
- Polyurethane foams having improved heat sag and a process for their production63US 6,649,667 B2Bayer Polymers LLC · 2003
- Polyol blends for producing hydrocarbon-blown polyurethane and polyisocyanurate foams58US 5,922,779 AStepan Company · 1999
- Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor56US 6,521,675 B1BP Corporation North America Inc. · 2003
- Pentane compatible polyester polyols55US 6,359,022 B1Stepan Company · 2002
- Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor55US 6,562,447 B2BP Corporation North America Inc. · 2003