D21C 9/1021
Electrochemical processes
Official title: {Electrochemical processes}
D21C9/1021 (Electrochemical processes) appears on 5 US grants and 2 published applications in this corpus.
Search patents in D21C- Granted patents
- 5
- Published applications
- 2
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 18 Dec 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrochemical reactor18 Dec 2012US 8,333,881 B2RedElec Technologie SA
- System for the electrochemical delignification of lignin-containing materials and a process for its application13 Feb 2001US 6,187,170 B1Consortium fur Elektrochemische Industrie GmbH
- Electrochemical process for bleaching wood pulp using chlorate and a redox catalyst27 Oct 1987US 4,702,807 AInternational Paper Company
- Electrochemical bleaching of wood pulps14 Oct 1986US 4,617,099 AThe Mead Corporation
- Process for the electrochemical reductive bleaching of lignocellulosic pulp24 Jun 1986US 4,596,630 AInternational Paper Company
Most cited
By later US patents
- System for the electrochemical delignification of lignin-containing materials and a process for its application11US 6,187,170 B1Consortium fur Elektrochemische Industrie GmbH · 2001
- Electrochemical bleaching of wood pulps3US 4,617,099 AThe Mead Corporation · 1986
- Process for the electrochemical reductive bleaching of lignocellulosic pulp1US 4,596,630 AInternational Paper Company · 1986
- Electrochemical process for bleaching wood pulp using chlorate and a redox catalyst1US 4,702,807 AInternational Paper Company · 1987