C08G 18/4261
Prepared by oxyalkylation of polyesterpolyols
Official title: {prepared by oxyalkylation of polyesterpolyols}
C08G18/4261 (Prepared by oxyalkylation of polyesterpolyols) appears on 44 US grants and 54 published applications in this corpus.
Search patents in C08G- Granted patents
- 44
- Published applications
- 54
- Assignees
- 27
- Inventors
- 159
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 5 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 0 | 3 |
| 2014 | 1 | 6 |
| 2015 | 4 | 1 |
| 2016 | 4 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 6 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 4 | 5 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Plasticizer lignin compositions5 Aug 2025US 12,378,408 B2Evoco Limited
- Process for preparing polyoxyalkylene polyester polyols18 Feb 2025US 12,227,614 B2Covestro Deutschland AG
- Moisture curable polyurethane hot melt adhesive composition having low levels of diisocyanate monomer19 Dec 2023US 11,845,886 B2H. B. Fuller Company
- Polyurethane polymer having a hardness of less than or equal to 60 shore A and good abrasion resistance17 Oct 2023US 11,787,936 B2Covestro Intellectual Property GmbH & Co.KG
- Aromatic polyester polyether polyurethane panels and useful materials comprising same5 Sep 2023US 11,746,186 B2Talaco Holdings, LLC
- Aromatic polyester polyether polyurethane panels and useful materials comprising same9 Nov 2023US 2023/0357496 A1Talaco Holdings, LLC
- Method of preparation of a polyol block copolymer11 May 2023US 2023/0147677 A1Econic Technologies Ltd.
- Hyperbranched polyester polyols suitable for use in organic solvent-based two-component polyurethane coating compositions16 Mar 2023US 2023/0085525 A1BASF SE
- A polyol block copolymer2 Feb 2023US 2023/0033621 A1Econic Technologies Ltd.
- Process for preparing polyoxyalkylene polyester polyols5 Jan 2023US 2023/0002552 A1Covestro Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Reactive oligomers for isocyanate coatings49US 6,221,494 B1E. I. Du Pont de Nemours and Company · 2001
- Polyurethane elastomers prepared from aliphatic polyisocyanates and polyesterether polyols47US 5,750,580 ABayer Aktiengesellschaft · 1998
- Silicon reactive oligomers and coating compositions made therefrom27US 6,428,898 B1E. I. Du Pont de Nemours and Company · 2002
- High solids clear coating composition22US 6,544,593 B1E. I. Du Pont de Nemours and Company · 2003
- Low viscosity aromatic polyols and methods for their preparation21US 4,701,477 AChardonol, Division of Freeman Corporation · 1987