C08G 18/6552
Compounds of group c08g18/63
Official title: {Compounds of group C08G18/63}
C08G18/6552 (Compounds of group c08g18/63) appears on 105 US grants and 63 published applications in this corpus.
Search patents in C08G- Granted patents
- 105
- Published applications
- 63
- Assignees
- 60
- Inventors
- 274
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 4 | 5 |
| 2004 | 5 | 7 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 3 | 6 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 4 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 4 | 5 |
| 2017 | 3 | 4 |
| 2018 | 3 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reaction system for preparing polymer polyol and method for preparing polymer polyol3 Mar 2026US 12,565,557 B2Wanhua Chemical Group Co., Ltd.
- Polymer polyols, processes for their preparation, and the use thereof to produce foams exhibiting resistance to combustion11 Jun 2024US 12,006,413 B2Covestro LLC
- Phosphorous containing flame retardants5 Jul 2022US 11,377,517 B2BASF SE
- 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
- 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
- Flame retardant compositions, compounds, and methods of making9 Apr 2026US 2026/0098119 A1
- Polymer polyols, processes for their preparation, and the use thereof to produce foams exhibiting resistance to combustion13 Jul 2023US 2023/0220174 A1Covestro LLC
- Reaction system for preparing polymer polyol and method for preparing polymer polyol18 May 2023US 2023/0151134 A1Wanhua Chemical Group Co., Ltd.
Most cited
By later US patents
- Impact energy-absorbing urethane foam38US 4,116,893 AMcCord Corporation · 1978
- Low density energy management urethane foam28US 4,190,712 AMcCord Corporation · 1980
- 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
- Process for manufacturing polyurethane using a metal acetyl acetonate/acetyl acetone catalyst system and the product made therefrom27US 5,733,945 ARogers Corporation · 1998
- System and method of forming composite structures26US 6,627,018 B1Advance USA, Inc. · 2003