C08G 18/485
Containing mixed oxyethylene-oxypropylene or oxyethylene-higher oxyalkylene end groups
Official title: {containing mixed oxyethylene-oxypropylene or oxyethylene-higher oxyalkylene end groups}
C08G18/485 (Containing mixed oxyethylene-oxypropylene or oxyethylene-higher oxyalkylene end groups) appears on 168 US grants and 273 published applications in this corpus.
Search patents in C08G- Granted patents
- 168
- Published applications
- 273
- Assignees
- 107
- Inventors
- 756
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 7 |
| 2010 | 2 | 5 |
| 2011 | 1 | 6 |
| 2012 | 0 | 5 |
| 2013 | 0 | 7 |
| 2014 | 7 | 5 |
| 2015 | 8 | 10 |
| 2016 | 6 | 7 |
| 2017 | 10 | 7 |
| 2018 | 1 | 20 |
| 2019 | 6 | 22 |
| 2020 | 16 | 20 |
| 2021 | 20 | 35 |
| 2022 | 14 | 32 |
| 2023 | 19 | 25 |
| 2024 | 17 | 22 |
| 2025 | 14 | 15 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for recovering raw materials from polyurethane foams28 Jul 2026US 12,692,359 B2Covestro Deutschland AG
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production14 Jul 2026US 12,679,922 B2Covestro LLC
- Adhesive system26 May 2026US 12,636,874 B2Ddp Specialty Electronic Materials, LLC
- Continuous production of polyurethane prepolymers28 Apr 2026US 12,612,485 B2BASF SE
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production24 Sep 2026US 2026/0286035 A1Covestro LLC
- Conductive elastic roller, process cartridge, and electrophotographic image forming apparatus6 Aug 2026US 2026/0227723 A1Canon Kabushiki Kaisha
- Recyclate polyol dispersion with improved phase stability30 Jul 2026US 2026/0217941 A1Dow Global Technologies LLC
- Batch process for preparing a polyether alcohol using a double metal cyanide catalyst16 Jul 2026US 2026/0201105 A1Shell USA, Inc.
- Polymer polyols and processes for their preparation2 Jul 2026US 2026/0184839 A1Covestro LLC
Most cited
By later US patents
- Biocompatible, low protein adsorption affinity matrix71US 5,403,750 AW. R. Grace & Co.-Conn. · 1995
- Process for making flexible foams56US 5,591,779 AImperial Chemical Industries PLC · 1997
- Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage50US 4,344,855 ABayer Aktiengesellschaft · 1982
- Process for making clear polyurethane/urea elastomers47US 5,962,619 AARCO Chemical Technology, L. P. · 1999
- Protein non-adsorptive polyurea-urethane polymer coated devices42US 5,169,720 AW. R. Grace & Co.-Conn. · 1992