C08G 2110/0016
Semi-rigid
Official title: semi-rigid
C08G2110/0016 (Semi-rigid) appears on 206 US grants and 164 published applications in this corpus.
Search patents in C08G- Granted patents
- 206
- Published applications
- 164
- Assignees
- 126
- Inventors
- 516
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 7 |
| 2004 | 10 | 9 |
| 2005 | 1 | 8 |
| 2006 | 8 | 2 |
| 2007 | 1 | 6 |
| 2008 | 1 | 4 |
| 2009 | 4 | 5 |
| 2010 | 1 | 4 |
| 2011 | 2 | 3 |
| 2012 | 3 | 5 |
| 2013 | 2 | 2 |
| 2014 | 3 | 3 |
| 2015 | 6 | 5 |
| 2016 | 3 | 13 |
| 2017 | 4 | 7 |
| 2018 | 7 | 13 |
| 2019 | 9 | 16 |
| 2020 | 10 | 9 |
| 2021 | 8 | 3 |
| 2022 | 2 | 9 |
| 2023 | 2 | 7 |
| 2024 | 7 | 8 |
| 2025 | 1 | 7 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing low density polyurethanes using catalysts that are free from tertiary amines and tin25 Mar 2025US 12,258,435 B1Patcham USA LLC
- Biobased polyurethane elastomer memory foam compositions5 Nov 2024US 12,134,675 B2Evoco Limited
- Production of polyurethane systems29 Oct 2024US 12,129,329 B2Evonik Operations GmbH
- Method for reduction of aldehyde emission in polyurethane comprising materials29 Oct 2024US 12,129,330 B2Huntsman International LLC
- Semi-rigid melamine foam plastic and preparation method thereof10 Sep 2024US 12,084,557 B2Zhejiang Yadina New Material Technology Co., Ltd.
- Isocyanate-reactive compositions that include polymer-ceramic composite particles, polyurethane foams formed therefrom, and targets that include such a foam9 Jul 2026US 2026/0193403 A1Covestro LLC
- Liquid base product, liquid formulated product, liquid final product, biodegradable solid product and biodegradable product fabrication process7 May 2026US 2026/0125507 A1Hdgl LLC
- Ammonium polyphosphate particles as a flame retardant in polyurethane foams30 Apr 2026US 2026/0117051 A1Universiteit Twente
- Composite plaster panels and compositions and methods for manufacturing composite plaster panels26 Feb 2026US 2026/0055606 A1Hydroblok, Inc.
- Dispersant for producing polyol dispersions from polyurethane waste and uses thereof7 Aug 2025US 2025/0250407 A1Repsol, S. A.
Most cited
By later US patents
- Polyurethane foam sealing material and process for producing the same152US 4,264,743 ANHK Spring Co., Ltd. · 1981
- Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers59US 4,365,025 AW. R. Grace & Co. · 1982
- Method for manufacturing self-supporting synthetic trim parts and thus manufactured trim parts56US 5,662,996 ARecticel · 1997
- Compositions containing polyether-polysiloxane copolymers54US 8,623,984 B2Evonik Goldschmidt GmbH · 2014
- Process for preparation of polyurethanes utilizing novel catalysts47US 5,491,174 AThe Dow Chemical Company · 1996