C08G 18/1825
Having hydroxy or primary amino groups
Official title: {having hydroxy or primary amino groups}
C08G18/1825 (Having hydroxy or primary amino groups) appears on 318 US grants and 335 published applications in this corpus.
Search patents in C08G- Granted patents
- 318
- Published applications
- 335
- Assignees
- 168
- Inventors
- 973
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 7 | 7 |
| 2003 | 11 | 15 |
| 2004 | 9 | 10 |
| 2005 | 5 | 5 |
| 2006 | 4 | 7 |
| 2007 | 2 | 10 |
| 2008 | 0 | 4 |
| 2009 | 4 | 4 |
| 2010 | 1 | 8 |
| 2011 | 1 | 8 |
| 2012 | 2 | 9 |
| 2013 | 5 | 6 |
| 2014 | 5 | 8 |
| 2015 | 9 | 16 |
| 2016 | 9 | 18 |
| 2017 | 9 | 16 |
| 2018 | 16 | 25 |
| 2019 | 13 | 22 |
| 2020 | 18 | 16 |
| 2021 | 22 | 20 |
| 2022 | 8 | 28 |
| 2023 | 9 | 13 |
| 2024 | 11 | 26 |
| 2025 | 14 | 22 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin composition16 Jun 2026US 12,655,290 B2LG Energy Solution, Ltd.
- Reaction system for preparing polymer polyol and method for preparing polymer polyol3 Mar 2026US 12,565,557 B2Wanhua Chemical Group Co., Ltd.
- Polyurethane nanofiber waterproof moisture-permeable film, preparation method thereof and application thereof3 Mar 2026US 12,565,718 B2Jiaxing Sibaite Nanofiber Technology Co., Ltd
- Composition and foamed polyurethane article formed therewith3 Feb 2026US 12,540,213 B2Dow Global Technologies LLC
- Process and composition for the production of flexible polyurethane foam3 Feb 2026US 12,540,224 B2Evonik Operations GmbH
- Siloxane-functional compounds, their production, and their use in polyurethane foams13 Aug 2026US 2026/0234327 A1Evonik Operations GmbH
- Acid-blocked pyrrolidine catalysts for polyurethane foam30 Jul 2026US 2026/0217893 A1Huntsman Petrochemical Corporation
- Polyurethane foam-forming reaction mixtures, polyurethane foams formed therefrom, and methods for their production and use16 Jul 2026US 2026/0201107 A1Covestro LLC
- Polyol catalyst for a two-component polyurethane system11 Jun 2026US 2026/0159629 A1Arkema France
- Ammonium polyphosphate particles as a flame retardant in polyurethane foams30 Apr 2026US 2026/0117051 A1Universiteit Twente
Most cited
By later US patents
- Water-activated casting material148US 4,502,479 AMinnesota Mining and Manufacturing Company · 1985
- Synthesis of polysaccharide covered superparamagnetic oxide colloids143US 5,262,176 AAdvanced Magnetics, Inc. · 1993
- Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents136US 4,770,183 AAdvanced Magnetics, Inc. · 1988
- Biologically degradable superparamagnetic materials for use in clinical applications95US 4,827,945 AAdvanced Magnetics, Inc. · 1989
- Adhesive for gluing together soft body tissues64US 4,057,535 A1977