C08G 18/6765
Containing the unsaturation at least partially in a cyclic ring having at
Official title: {containing the unsaturation at least partially in a cyclic ring having at least one oxygen atom in the ring}
C08G18/6765 (Containing the unsaturation at least partially in a cyclic ring having at) appears on 19 US grants and 6 published applications in this corpus.
Search patents in C08G- Granted patents
- 19
- Published applications
- 6
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Degradable urethane and urethane-urea systems4 Aug 2026US 12,698,358 B2Urethane Systems USA LLC
- Preparation method for ultraviolet-responsive coumarin controlled-release and self-repairing anti-fouling paint23 Sep 2025US 12,421,419 B2Quzhou Research Institute of Zhejiang University
- Tagged poly(ester amide urethane)s, nanoparticles formed from same, and uses thereof17 Aug 2021US 11,090,273 B2Cornell University
- Method for preparing biomass-based polymer emulsion9 Feb 2016US 9,255,169 B2Zhongying Changjiang International New Energy Investment Co., Ltd.
- Method of making thermally removable polyurethanes11 Jun 2002US 6,403,753 B1Sandia Corporation
- Preparation method for ultraviolet-responsive coumarin controlled-release and self-repairing anti-fouling paint6 Jul 2023US 2023/0212419 A1Quzhou Research Institute of Zhejiang University
- Degradable Urethane and Urethane-Urea Systems21 Apr 2022US 2022/0119584 A1LANXESS Corporation
- Tagged poly(ester amide urethane)s, nanoparticles formed from same, and uses thereof30 Apr 2020US 2020/0129447 A1Cornell University
- Articles and compositions comprising host polymers and chromophores and methods of producing the same13 Feb 2020US 2020/0048428 A1
- Thermally Reversible Crosslinked Polyurethane10 Aug 2017US 2017/0226271 A1
Most cited
By later US patents
- Method of making thermally removable polyurethanes21US 6,403,753 B1Sandia Corporation · 2002
- Polyurethanes or isocyanurates from alkoxylated hydroxymethylfuran10US 4,426,460 AThe Quaker Oats Company · 1984
- Chemical compositions and methods7US 4,548,752 AQO Chemicals, Inc. · 1985
- Low fire hazard rigid urethane insulation foam, polyol mixtures used in the manufacture thereof, and method for manufacture thereof6US 4,318,999 AThe Quaker Oats Company · 1982
- One-part solvent-free thermosettable blocked prepolymer composition containing a diene, together with chain extender, chain terminator and a dienophile5US 4,273,909 AMinnesota Mining and Manufacturing Company · 1981