C08G 18/657
With compounds of c08g18/3225 or c08g18/3271 or polyamines of c08g18/38
Official title: {with compounds of C08G18/3225 or C08G18/3271 or polyamines of C08G18/38}
C08G18/657 (With compounds of c08g18/3225 or c08g18/3271 or polyamines of c08g18/38) appears on 33 US grants and 22 published applications in this corpus.
Search patents in C08G- Granted patents
- 33
- Published applications
- 22
- Assignees
- 28
- Inventors
- 102
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reaction system for preparing polymer polyol and method for preparing polymer polyol3 Mar 2026US 12,565,557 B2Wanhua Chemical Group Co., Ltd.
- Reactive amine catalysts for polyurethane applications28 Dec 2021US 11,208,519 B2Evonik Operations GmbH
- Polyurethane catalyst and application thereof12 Jan 2021US 10,889,681 B2
- Vinyl chloride resin composition, vinyl chloride resin molded product, and laminate5 May 2020US 10,640,625 B2Zeon Corporation
- Solvent-free polyurethane liquid membrane15 Oct 2019US 10,442,956 B2Sika Technology AG
- Composite made of randomly bonded polymer fiber loops and polyurethane foam20 Aug 2026US 2026/0242598 A1Dow Global Technologies LLC
- Sound-proofing material and method for producing same16 Jul 2026US 2026/0201136 A1Inoac Corporation
- Reaction system for preparing polymer polyol and method for preparing polymer polyol18 May 2023US 2023/0151134 A1Wanhua Chemical Group Co., Ltd.
- Polyurethane foam system21 Jan 2021US 2021/0017324 A1Dow Global Technologies LLC
- Reactive amine catalysts for polyurethane applications14 Feb 2019US 2019/0048121 A1Evonik Degussa GmbH
Most cited
By later US patents
- Preparation of flame-resistant soft polyurethane foams of reduced smoke density, and melamine/expandable graphite/polyether-polyol dispersions for this purpose28US 5,739,173 ABASF SE · 1998
- Abrasive article back up pad with foam layer23US 5,962,120 AMinnesota Mining and Manufacturing Company · 1999
- Polymer/polyol composition, processes for making the same and polyurethane therefrom21US 4,820,743 ASanyo Chemical Industries, Ltd. · 1989
- Polyurethanes21US 5,143,942 AEthyl Corporation · 1992
- Polyurethanes19US 5,166,115 A1992