C08G 18/1858
Having carbon-to-nitrogen double bonds
Official title: {having carbon-to-nitrogen double bonds}
C08G18/1858 (Having carbon-to-nitrogen double bonds) appears on 46 US grants and 54 published applications in this corpus.
Search patents in C08G- Granted patents
- 46
- Published applications
- 54
- Assignees
- 38
- Inventors
- 153
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 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 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 5 | 2 |
| 2018 | 4 | 5 |
| 2019 | 2 | 11 |
| 2020 | 6 | 5 |
| 2021 | 5 | 5 |
| 2022 | 4 | 5 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition and method for a root canal filling8 Sep 2026US 12,728,078 B2Rutgers, The State University of New Jersey
- Synthesis of polyurethane polymers in flow reactors3 Feb 2026US 12,540,212 B2International Business Machines Corporation
- HFO containing PU formulation26 Aug 2025US 12,398,232 B2BASF SE
- Storage stable HFO- or HCFO-containing polyol compositions for making flame-resistant rigid polyurethane foams1 Jul 2025US 12,344,700 B2Dow Global Technologies LLC
- Catalyst for dissociation of blocking agent for blocked isocyanates, and thermosetting composition containing said catalyst for dissociation of blocking agent8 Aug 2023US 11,718,704 B2Koei Chemical Company, Limited
- Methods of preparing ultra-low density spray polyurethane foam and uses thereof5 Mar 2026US 2026/0062514 A1General Coatings Manufacturing Corp.
- Amine composition useful for making stable polyurethane foam systems29 Jan 2026US 2026/0028445 A1Evonik Operations GmbH
- Method for preparing a polyurethane polymer7 Nov 2024US 2024/0368443 A1Bostik SA
- Method for chemical upcycling of resins containing ester bonds9 Nov 2023US 2023/0357533 A1Zhejiang University
- Catalyst for dissociation of blocking agent for blocked isocyanates, and thermosetting composition containing said catalyst for dissociation of blocking agent21 Sep 2023US 2023/0295368 A1Koei Chemical Company, Limited
Most cited
By later US patents
- Orthopedic cast composed of an alkoxysilane terminated resin37US 5,423,735 AMinnesota Mining and Manufacturing Company · 1995
- Alkoxysilane terminated resin and methods of making and using same23US 5,744,528 AMinnesota Mining and Manufacturing Company · 1998
- Polyurethane powder coating compositions which have a low stoving temperature20US 5,847,044 ABayer Aktiengesellschaft · 1998
- Orthopedic cast composed of an alkoxysilane terminated resin18US 5,540,652 AMinnesota Mining and Manufacturing Company · 1996
- Process for producing urethane foam having a high density skin layer13US 5,304,578 ATosoh Corporation · 1994