C07C 13/68
With a bridged ring system
Official title: with a bridged ring system
C07C13/68 (With a bridged ring system) appears on 26 US grants and 23 published applications in this corpus.
Search patents in C07C- Granted patents
- 26
- Published applications
- 23
- Assignees
- 25
- Inventors
- 79
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Compounds that can be used in an organic electronic device as active compounds24 Dec 2024US 12,178,124 B2Merck KGaA
- Precursor compound of tetracyclic hydrocarbon and preparation method thereof, and tetracyclic hydrocarbon and preparation method and use thereof10 Dec 2024US 12,162,812 B2Tianjin University
- Shelf life mass polymerizable polycycloolefin compositions as optical materials25 Jan 2022US 11,230,566 B2Promerus, LLC
- Diamondoid fuels21 Dec 2021US 11,203,726 B1The United States of America as represented by the Secretary of the Navy
- Precursor compound of tetracyclic hydrocarbon and preparation method thereof2 Apr 2026US 2026/0092026 A1
- Abietanes and methods of making and using the same15 May 2025US 2025/0154106 A1The Florida State University Research Foundation, Inc.
- Compositions Containing Tri-Cyclopentadiene and Processes for Making Same10 Apr 2025US 2025/0115537 A1
- Compounds that can be used in an organic electronic device as active compounds10 Apr 2025US 2025/0120315 A1Merck Patent GmbH
- Diamantane compound, organic electroluminescent device material and organic electroluminescent device13 Feb 2025US 2025/0051250 A1Sagami Chemical Research Institute
Most cited
By later US patents
- Polymerization of norbornene derivatives13US 5,093,441 AShell Oil Company · 1992
- Method for preparing norbornene and substituted derivatives of norbornene6US 6,294,706 B1Opatatech Corporation · 2001
- Process for the preparation of substituted norbornene derivatives5US 4,168,282 AThe B. F. Goodrich Company · 1979
- Organic compound and organic light emitting device using the same4US 8,298,683 B2LG Chem.Ltd. · 2012
- Shelf life mass polymerizable polycycloolefin compositions as optical materials3US 11,230,566 B2Promerus, LLC · 2022