C07C 13/08
With a five-membered ring
Official title: with a five-membered ring
C07C13/08 (With a five-membered ring) appears on 69 US grants and 35 published applications in this corpus.
Search patents in C07C- Granted patents
- 69
- Published applications
- 35
- Assignees
- 45
- Inventors
- 134
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 5 | 5 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 0 | 3 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Antifoulant compositions for high-severity processing of vinylic monomer streams1 Jul 2025US 12,344,581 B2Ecolab USA Inc.
- Lymphatic system-directing lipid prodrugs31 Dec 2024US 12,178,875 B2Monash University
- Humulus species as industrial chemical feedstocks24 Sep 2024US 12,098,120 B2P2 Science, Inc.
- Lymphatic system-directing lipid prodrugs30 Jan 2024US 11,883,497 B2Monash University
- Monoalkyl cyclopentadiene compounds and processes for preparing same30 Jan 2024US 11,884,606 B2Entegris, Inc.
- Antifoulant compositions for high-severity processing of vinylic monomer streams11 Sep 2025US 2025/0282698 A1Ecolab USA Inc.
- Lymphatic system-directing lipid prodrugs27 Jun 2024US 2024/0207411 A1Monash University
- Monoalkyl cyclopentadiene compounds and processes for preparing same11 Apr 2024US 2024/0116836 A1Entegris, Inc.
- Antifoulant compositions for high-severity processing of vinylic monomer streams5 Oct 2023US 2023/0312440 A1Ecolab USA Inc.
- Monoalkyl cyclopentadiene compounds and processes for preparing same1 Jun 2023US 2023/0167136 A1Entegris, Inc.
Most cited
By later US patents
- Substituted group 4 metal complexes, catalysts and olefin polymerization process98US 6,515,155 B1Dow Global Technologies LLC · 2003
- Method for preparing cyclopentadienyl-type ligands and metallocene compounds71US 5,420,320 APhillips Petroleum Company · 1995
- Metallocene compounds and their use in catalysts for the polymerization of olefins34US 6,268,518 B1Montell Technology Company BV · 2001
- Process for the preparation of polyvinyl compounds28US 5,264,606 AUnion Carbide Chemicals & Plastics Technology Corporation · 1993
- Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture23US 4,721,823 APennzoil Products Company · 1988