C08G 18/7678
Containing condensed aromatic rings
Official title: {containing condensed aromatic rings}
C08G18/7678 (Containing condensed aromatic rings) appears on 75 US grants and 84 published applications in this corpus.
Search patents in C08G- Granted patents
- 75
- Published applications
- 84
- Assignees
- 80
- Inventors
- 338
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 4 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 5 |
| 2018 | 1 | 8 |
| 2019 | 7 | 17 |
| 2020 | 10 | 7 |
| 2021 | 4 | 9 |
| 2022 | 7 | 4 |
| 2023 | 6 | 7 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Particle foams30 Jun 2026US 12,668,676 B2BASF SE
- Cleaning wiper blade2 Dec 2025US 12,484,743 B2Canon Kabushiki Kaisha
- Aqueous pigment dispersion3 Jun 2025US 12,319,821 B2Sanyo Chemical Industries, Ltd.
- Method for diisocyanate recovery from distillation residues with bitumen12 Nov 2024US 12,139,447 B2Covestro Deutschland AG
- Bulk material comprising solid diisocyanates and prepolymers containing urethane groups obtainable therefrom24 Oct 2023US 11,795,260 B2Covestro Intellectual Property GmbH & Co.KG
- Recyclable poly(urea-urethane) polymer and composite with dynamic hindered urea bonds (hubs)25 Jun 2026US 2026/0176402 A1Base SE
- Closed loop recycling concept for composites comprising covalent adaptable poly(urea-urethane) networks with dynamic hindered urea bonds19 Feb 2026US 2026/0049171 A1Base SE
- Isocyanate composition, modified composition and polyurethane elastomer29 Jan 2026US 2026/0028446 A1Wanhua Chemical Group Co., Ltd.
- Method of preparing polyurethane for bioapplication6 Nov 2025US 2025/0340694 A1Skin Solution Co., Ltd
- Aqueous pigment dispersion5 Oct 2023US 2023/0312961 A1Sanyo Chemical Industries, Ltd.
Most cited
By later US patents
- Polyurethane elastomer actuator133US 5,977,685 ANitta Corporation · 1999
- Process for the production of stabilized polyisocyanates, the polyisocyanates so-stabilized and their use in the production of polyurethanes51US 4,483,974 ABayer Aktiengesellschaft · 1984
- One package polyurethane/thermoplast plastisol composition23US 5,284,918 AW. R. Grace & Co.-Conn. · 1994
- Thermoplastic polyurethanes having a high heat stability, based on naphthylene diisocyanate, their production and their use22US 4,521,582 ABayer Aktiengesellschaft · 1985
- Device including a polymeric material for detecting species and stimulus and method of using thereof20US 10,782,238 B2Smith & Nephew, Inc. · 2020