C07C 13/61
With a bridged indene ring
Official title: with a bridged indene ring, e.g. dicyclopentadiene
C07C13/61 (With a bridged indene ring) appears on 23 US grants and 13 published applications in this corpus.
Search patents in C07C- Granted patents
- 23
- Published applications
- 13
- Assignees
- 17
- Inventors
- 68
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Resin compound and resin composition containing the same21 Jan 2025US 12,202,935 B2Industrial Technology Research Institute
- Dimerization of cyclopentadiene from side stream from debutanizer17 Dec 2024US 12,168,638 B2Kellogg Brown & Root LLC
- Dimerization of cyclopentadiene from side stream from debutanizer30 Jan 2024US 11,884,608 B2Kellogg Brown & Root LLC
- Dimerization of cyclopentadiene using reactive jet mixing21 Dec 2021US 11,203,556 B2Sabic Global Technologies B.V.
- Method of producing five-carbon ring-containing compound and five-carbon ring derivative-containing polyurethane, and five-carbon ring derivative-containing polyurethane19 May 2020US 10,654,965 B2National Chung Shan Institute of Science and Technology
- Dimerization of cyclopentadiene from side stream from debutanizer11 Apr 2024US 2024/0116837 A1Kellogg Brown & Root LLC
- Resin compound and resin composition containing the same8 Jun 2023US 2023/0174709 A1Industrial Technology Research Institute
- Dimerization of cyclopentadiene from side stream from debutanizer27 Oct 2022US 2022/0340501 A1Kellogg Brown & Root LLC
- Dimerization of cyclopentadiene using reactive jet mixing22 Jul 2021US 2021/0221754 A1Sabic Global Technologies B.V.
- Methods and systems for recovering dicyclopentadiene from pygas25 Jul 2019US 2019/0225560 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Dicyclopentadiene activation method and polymerization composition17US 5,378,783 ANippon Zeon Co., Ltd. · 1995
- Production of high energy fuel12US 4,270,014 AAshland Oil, Inc. · 1981
- Continuous process for conversion of dimethyldicyclopentadiene to endo-dimethyldicyclopentadiene, a missile fuel10US 4,177,217 ASuntech, Inc. · 1979
- 8-Exo-hydroxy-endo-tricyclo [5.2.2.0.sup.2,6 ]undecane7US 4,036,893 AKao Soap Co., Ltd. · 1977
- Production of polymerization grade dicyclopentadiene7US 5,401,891 AExxon Chemical Patents Inc. · 1995