C07C 2603/91
Polycyclopentadienes
Official title: Polycyclopentadienes; Hydrogenated polycyclopentadienes
C07C2603/91 (Polycyclopentadienes) appears on 33 US grants and 16 published applications in this corpus.
Search patents in C07C- Granted patents
- 33
- Published applications
- 16
- Assignees
- 27
- Inventors
- 85
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane21 Jan 2025US 12,202,796 B2SK Chemicals Co., Ltd.
- Modified allyl compound, modified bismaleimide prepolymer12 Nov 2024US 12,139,582 B2Guangdong Hinno-Tech Co., Ltd.
- Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation12 Mar 2019US 10,227,433 B2Promerus, LLC
- Cyclic olefin compound having photoreactive group and photoreactive polymer29 May 2018US 9,982,071 B2LG Chem.Ltd.
- Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation18 Oct 2016US 9,468,890 B2Promerus, LLC
- Ester compound25 Jan 2024US 2024/0025838 A1Mitsui Chemicals, Inc.
- Alicyclic acrylate compound, alicyclic epoxy acrylate compound, curable composition, and cured product26 Jan 2023US 2023/0023687 A1Eneos Corporation
- Modified allyl compound, modified bismaleimide prepolymer30 Jun 2022US 2022/0204699 A1Guangdong Hinno-Tech Co., Ltd.
- Method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.0^2,6]decane19 Aug 2021US 2021/0253507 A1SK Chemicals Co., Ltd.
- Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation22 Dec 2016US 2016/0369026 A1Promerus, LLC
Most cited
By later US patents
- Low viscosity acrylate monomers formulations containing same and uses therefor49US 6,211,320 B1The Dexter Corporation · 2001
- Production of tricyclodecane dicarbaldehyde, pentacyclopentadecane dicarbaldehyde and corresponding dimethanols15US 6,365,782 B1Mitsbushi Gas Chemical Company, Inc. · 2002
- Process for producing polycyclic diols11US 4,300,002 AMitsubishi Petrochemical Co., Ltd. · 1981
- Flame resistant polyaromatic cyanate resins with improved thermal stability9US 4,806,625 AThe Dow Chemical Company · 1989
- Monomers derived from pentacyclopentadecane dimethanol9US 8,039,663 B2Designer Molecules, Inc. · 2011