C09B 35/06
The tetrazo component being a naphthalene derivative
Official title: the tetrazo component being a naphthalene derivative
C09B35/06 (The tetrazo component being a naphthalene derivative) appears on 6 US grants and 2 published applications in this corpus.
Search patents in C09B- Granted patents
- 6
- Published applications
- 2
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 9 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 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 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Particles for electrophoretic displays9 Jul 2019US 10,344,167 B2Merck Patent GmbH
- Light-fast disazo dyestuffs1 Dec 1998US 5,844,101 ABayer Aktiengesellschaft
- Dichroic azo dyes31 Dec 1996US 5,589,100 AHercules Incorporated
- Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent5 Jul 1994US 5,326,865 AHercules Incorporated
- Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate24 Jun 1986US 4,596,754 ARicoh Company, Ltd.
Most cited
By later US patents
- Dichroic azo dyes59US 5,589,100 AHercules Incorporated · 1996
- Utilization of dyes for liquid crystal displays29US 4,137,193 ABBC Brown, Boveri & Company, Limited · 1979
- Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate25US 4,596,754 ARicoh Company, Ltd. · 1986
- Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent3US 5,326,865 AHercules Incorporated · 1994
- Light-fast disazo dyestuffs1US 5,844,101 ABayer Aktiengesellschaft · 1998