C08G 18/2018
Having one nitrogen atom in the ring
Official title: {having one nitrogen atom in the ring}
C08G18/2018 (Having one nitrogen atom in the ring) appears on 93 US grants and 103 published applications in this corpus.
Search patents in C08G- Granted patents
- 93
- Published applications
- 103
- Assignees
- 73
- Inventors
- 311
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 5 |
| 2003 | 3 | 2 |
| 2004 | 3 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 3 |
| 2015 | 3 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 8 |
| 2019 | 5 | 12 |
| 2020 | 6 | 5 |
| 2021 | 10 | 6 |
| 2022 | 4 | 14 |
| 2023 | 6 | 9 |
| 2024 | 3 | 6 |
| 2025 | 5 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coatings from polyisocyanurate coatings (rim) and their use in injection molding processes7 Apr 2026US 12,594,700 B2Covestro Deutschland AG
- Composition and process for producing silylated polymers and use thereof3 Feb 2026US 12,540,211 B2PolyU GmbH
- Thermosetting coating composition and coated article6 Jan 2026US 12,516,215 B2Kansai Paint Co., Ltd.
- Synthesis of linear polyoxazolidinones using uretdiones as diisocyanate component30 Dec 2025US 12,509,547 B2BASF SE
- HFO containing PU formulation26 Aug 2025US 12,398,232 B2BASF SE
- Polyisocyanates with improved properties3 Sep 2026US 2026/0258190 A1Covestro Deutschland AG
- Liquid, One Component, Moisture Curable Polyurethane for Bonding Untreated Metals20 Aug 2026US 2026/0242645 A1Henkel AG & Co. KGaA
- Amine composition useful for making stable polyurethane foam systems29 Jan 2026US 2026/0028445 A1Evonik Operations GmbH
- High performance, ambient cure polyurethanes comprising polycaprolactone polyols15 Jan 2026US 2026/0015454 A1
- Hydrophilically modified polyisocyanate, and preparation method therefor and use thereof15 May 2025US 2025/0154312 A1Wanhua Chemical Group Co., Ltd.
Most cited
By later US patents
- Metabolically acceptable polyisocyanate adhesives96US 4,829,099 ABioResearch Inc. · 1989
- One-part moisture curable polyurethane adhesive30US 6,709,539 B2Dow Global Technologies LLC · 2004
- Novel polyurethane catalysts in polyurethane foam process24US 4,450,246 AW. R. Grace & Co. · 1984
- Process for filling space in a structure with a polyurethane composite in the presence of water24US 5,001,190 AAshland Oil, Inc. · 1991
- Reactive catalyst compositions for improving water blown polyurethane foam performance23US 6,232,356 B1Air Products and Chemicals, Inc. · 2001