C08G 18/3243
Containing two or more aromatic rings
Official title: {containing two or more aromatic rings}
C08G18/3243 (Containing two or more aromatic rings) appears on 117 US grants and 131 published applications in this corpus.
Search patents in C08G- Granted patents
- 117
- Published applications
- 131
- Assignees
- 120
- Inventors
- 402
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 10 |
| 2013 | 1 | 3 |
| 2014 | 4 | 6 |
| 2015 | 4 | 3 |
| 2016 | 5 | 6 |
| 2017 | 6 | 9 |
| 2018 | 1 | 11 |
| 2019 | 8 | 5 |
| 2020 | 9 | 11 |
| 2021 | 7 | 10 |
| 2022 | 5 | 12 |
| 2023 | 5 | 13 |
| 2024 | 6 | 6 |
| 2025 | 9 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Polyurea composition suitable for a golf ball cover525US 5,484,870 AAcushnet Company · 1996
- Polyurethane compositions and their use as luting agents55US 4,570,270 A1986
- Linear polyurethane elastomers, and a process for the preparation thereof32US 4,791,187 ABayer Akteingesellschaft · 1988
- Process for producing polyurea resin25US 5,039,775 AIhara Chemical Industry Co., Ltd. · 1991
- Process for producing polyurea resin21US 5,086,153 AIhara Chemical Industry Co., Ltd. · 1992