C08G 18/636
Characterised by the presence of a dispersion-stabiliser
Official title: {characterised by the presence of a dispersion-stabiliser}
C08G18/636 (Characterised by the presence of a dispersion-stabiliser) appears on 74 US grants and 53 published applications in this corpus.
Search patents in C08G- Granted patents
- 74
- Published applications
- 53
- Assignees
- 22
- Inventors
- 193
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 4 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 4 | 8 |
| 2015 | 4 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 2 |
| 2019 | 4 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 4 |
| 2023 | 4 | 4 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispersion stabilizer based on at least two types of polyols and method of preparing the same10 Mar 2026US 12,570,779 B2Korea Kumho Petrochemical Co., Ltd.
- Reaction system for preparing polymer polyol and method for preparing polymer polyol3 Mar 2026US 12,565,557 B2Wanhua Chemical Group Co., Ltd.
- Processes and production plants for producing polymer polyols11 Mar 2025US 12,247,096 B2Covestro LLC
- Polymer polyols, processes for their preparation, and the use thereof to produce foams exhibiting resistance to combustion11 Jun 2024US 12,006,413 B2Covestro LLC
- Processes and production plants for producing polymer polyols9 Apr 2024US 11,952,454 B2Covestro LLC
- Low viscosity polymer polyols exhibiting low mean particle size, high filterability, and high styrene to acrylonitrile ratio2 Jul 2026US 2026/0184851 A1Covestro LLC
- Polyurethane foam-forming compositions and opened-cell flexible foams produced therefrom16 Oct 2025US 2025/0320326 A1Covestro LLC
- Dispersant for producing polyol dispersions from polyurethane waste17 Jul 2025US 2025/0230269 A1Repsol, S. A.
- Processes and production plants for producing polymer polyols20 Jun 2024US 2024/0199790 A1Covestro LLC
- Waterborne Coating Composition29 Feb 2024US 2024/0067845 A1Dow Global Technologies LLC
Most cited
By later US patents
- Polymer/polyol compositions made from preformed polymer/polyols, processes for making same and processes for making polyurethane products therefrom73US 4,148,840 AUnion Carbide Corporation · 1979
- Polymer/polyol and preformed stabilizer systems43US 5,196,476 AARCO Chemical Technology, L. P. · 1993
- Polymer polyol and preformed stabilizer systems33US 5,990,185 AThe Dow Chemical Company · 1999
- Copolymers useful as cement additives and a process for their preparation33US 6,034,208 AARCO Chemical Technology, L. P. · 2000
- Polymer/polyols having improved combustion resistance and intrinsic viscosity, methods of making same and polyurethanes prepared therefrom31US 4,652,589 AUnion Carbide Corporation · 1987