C07C 2531/36
Of vanadium, niobium or tantalum
Official title: of vanadium, niobium or tantalum
C07C2531/36 (Of vanadium, niobium or tantalum) appears on 24 US grants and 4 published applications in this corpus.
Search patents in C07C- Granted patents
- 24
- Published applications
- 4
- Assignees
- 15
- Inventors
- 42
- Latest grant
- 27 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Composite catalyst for the photocatalytic isomerisation of norbornadiene to prepare quadricyclane and process for making the catalyst27 Nov 2018US 10,137,443 B2Tianjin University
- Continuous preparation method of high-purity quadricyclane17 Apr 2018US 9,944,574 B2Tianjin University
- Oxidation of alkanes23 Oct 2007US 7,285,679 B2ExxonMobil Chemical Patents Inc.
- Preparation of highly branched, liquid polymers of ethylene and/or α-olefins in the presence of aluminum-based catalyst systems11 Feb 2003US 6,518,384 B1
- Process for synthesizing linear polymers of ethylene and alpha-olefins3 Dec 2002US 6,489,416 B2The Penn State Research Foundation
- Composite Catalyst for the Photocatalytic Isomerisation of Norbornadiene to Prepare Quadricyclane and Process for Making the Catalyst24 Nov 2016US 2016/0339415 A1Tianjin University
- Continuous Preparation Method of High-Purity Quadricyclane24 Nov 2016US 2016/0340273 A1Tianjin University
- Oxidation of alkanes28 Dec 2006US 2006/0293539 A1ExxonMobil Chemical Patents Inc.
- Process for synthesizing linear polymers of ethylene and alpha-olefins18 Oct 2001US 2001/0031844 A1The Penn State Research Foundation
Most cited
By later US patents
- Preparation of linear olefin products23US 4,486,615 AExxon Research & Engineering Co. · 1984
- Aluminosilicate carrier for metathesis catalysts19US 5,883,272 ARWE-DEA Aktiengesellschaft fur Mineraloel und Chemie · 1999
- Preparation of linear olefin products17US 4,396,788 AExxon Research & Engineering Co. · 1983
- Organic derivatives of rhenium oxides and their preparation and use for the metathesis of olefins15US 5,342,985 AHoechst Aktiengesellschaft · 1994
- Preparation of linear olefin products14US 4,409,414 AExxon Research & Engineering Co. · 1983