C08J 2205/08
Semi-flexible foams
C08J2205/08 (Semi-flexible foams) appears on 29 US grants and 42 published applications in this corpus.
Search patents in C08J- Granted patents
- 29
- Published applications
- 42
- Assignees
- 30
- Inventors
- 132
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 9 |
| 2019 | 4 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 3 | 6 |
| 2023 | 2 | 5 |
| 2024 | 3 | 3 |
| 2025 | 3 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biodegradable foams and methods of foam production30 Dec 2025US 12,509,565 B2Cruz Foam, Inc.
- Isocyanate-based polymer foam having improved flame retardant properties4 Nov 2025US 12,460,040 B2Proprietect L.P.
- Epoxy based reinforcing patches having improved damping loss factor6 May 2025US 12,291,619 B2Uniseal, Inc.
- Semi-rigid melamine foam plastic and preparation method thereof10 Sep 2024US 12,084,557 B2Zhejiang Yadina New Material Technology Co., Ltd.
- Epoxy based reinforcing patches having improved damping loss factor20 Feb 2024US 11,905,384 B2Uniseal, Inc.
- Flexible and semi-rigid polyimide comprising foams with superior heat resistance17 Sep 2026US 2026/0275063 A1Huntsman International LLC
- Ammonium polyphosphate particles as a flame retardant in polyurethane foams30 Apr 2026US 2026/0117051 A1Universiteit Twente
- Silicone-free foam stabilizers for producing polyurethane foams12 Mar 2026US 2026/0071022 A1BASF SE
- Method for preparing bio-polyol, composition of polyurethane resin containing bio-polyol, and method for preparing polyurethane foam using the same5 Dec 2024US 2024/0400759 A1Hyundai Motor Company
- Epoxy based reinforcing patches having improved damping loss factor11 Jul 2024US 2024/0228719 A1Uniseal, Inc.
Most cited
By later US patents
- Open celled cellular polyurethane products31US 6,001,890 AImperial Chemical Industries PLC · 1999
- Open-celled semi-rigid foams with exfoliating graphite28US 6,552,098 B1Dow Global Technologies LLC · 2003
- Medium density chlorinated polyvinyl chloride foam and process for preparing25US 6,348,512 B1PMD Holdings Corp. · 2002
- Aqueous wax dispersions as cell openers in making polyurethane flexible foams21US 6,080,800 AAir Products and Chemicals, Inc. · 2000
- Impregnant for making semi-rigid or rigid resin foams16US 4,419,261 AWako Kemikaru Kabushiki Kaisha · 1983