C08G 18/7881
Having one nitrogen atom in the ring
Official title: {having one nitrogen atom in the ring}
C08G18/7881 (Having one nitrogen atom in the ring) appears on 10 US grants and 10 published applications in this corpus.
Search patents in C08G- Granted patents
- 10
- Published applications
- 10
- Assignees
- 10
- Inventors
- 51
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyisocyanate component, a polyurethane foaming system and an article made therefrom18 Oct 2022US 11,472,910 B2Dow Global Technologies LLC
- Method for the production of thermoplastic polyoxazolidinone polymers30 Aug 2022US 11,427,671 B2Covestro Intellectual Property GmbH & Co.KG
- Gel particles, photosensitive composition, ink composition, method of producing water dispersion of gel particles, and image forming method23 Jul 2019US 10,358,568 B2FUJIFILM Corporation
- Attached, high reactivity rigid polyurethane foams containing oxazolidone groups11 May 2010US 7,714,030 B2Dow Global Technologies LLC
- Process for the production of elastane filaments15 Oct 1996US 5,565,270 ABayer Aktiengesellschaft
- Coating composition and in-mold coating method22 Jan 2026US 2026/0021615 A1Kansai Paint Co., Ltd.
- Method for the production of epoxy-group terminated polyoxazolidinones21 Jul 2022US 2022/0227919 A1Covestro Intellectual Property GmbH & Co.KG
- Method for the production of isocyanate-group terminated polyoxazolidinones30 Jun 2022US 2022/0204684 A1Covestro Intellectual Property GmbH & Co.KG
- Method for the production of thermoplastic polyoxazolidinone polymers10 Feb 2022US 2022/0041786 A1Covestro Intellectual Property GmbH & Co.KG
- Catalysts for the synthesis of oxazolidinones7 Oct 2021US 2021/0309785 A1Covestro Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Urethane oxazolidines46US 4,002,601 ABayer Aktiengesellschaft · 1977
- Process for the production of elastane filaments11US 5,565,270 ABayer Aktiengesellschaft · 1996
- Attached, high reactivity rigid polyurethane foams containing oxazolidone groups8US 7,714,030 B2Dow Global Technologies LLC · 2010
- Isocyanato-azetidinediones2US 4,576,747 AThe Upjohn Company · 1986
- Copolymers based on dicarboximides, alkenyl isocyanates and/or alkenylurethanes2US 5,502,135 ABASF SE · 1996