C09B 3/36
By etherification of hydroxy compounds
Official title: by etherification of hydroxy compounds
C09B3/36 (By etherification of hydroxy compounds) appears on 4 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 4
- Published applications
- 1
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 7 Aug 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 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 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Chemiluminescent materials and method of making same7 Aug 2018US 10,040,993 B1The United States of America as represented by the Secretary of the Air Force
- Preparation of alkoxy(iso)violanthrenediones21 Nov 1989US 4,882,095 ABASF SE
- Process for producing dibenzanthrone containing vat dyes31 Jul 1984US 4,463,174 ACiba-Geigy Corporation
- Process for the production of alkoxy-substituted polycyclic aromatic compounds15 Apr 1980US 4,198,529 ACiba-Geigy Corporation
Most cited
By later US patents