C09B 35/36
Trisazo dyes of the type [image cpc-sch-c09b-1016.gif]
Official title: Trisazo dyes of the type [IMAGE cpc-sch-C09B-1016.gif]
C09B35/36 (Trisazo dyes of the type [image cpc-sch-c09b-1016.gif]) appears on 17 US grants and 5 published applications in this corpus.
Search patents in C09B- Granted patents
- 17
- Published applications
- 5
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 12 May 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- C09B 35/376D is a heterocyclic compound5
- C09B 35/362D is benzene4
- C09B 35/366D is diphenyl2
- C09B 35/37D is diarylamine1
- C09B 35/374D contains two aryl nuclei linked by at least one of the1
- C09B 35/364D is naphthalene0
- C09B 35/368D is diarylether, a diarylsulfide or a diarylpolysulfide0
- C09B 35/372D is diarylurea0
Recent patents
- Trisazo dyes for inks for ink jet printing12 May 2009US 7,530,685 B2Fujifilm Imaging Colorants Limited
- Poly-azo compound, and polarization film having said compound2 Oct 2007US 7,276,268 B2Sumitomo Chemical Company, Limited
- Dichroic azo dye, liquid crystal composition containing the same, and liquid crystal element using the composition16 Jul 1996US 5,536,818 AMitsubishi Chemical Corporation
- AZO compound photoreceptor having napthol substiuents13 Dec 1988US 4,791,194 AMitsubishi Chemical Industries Limited
- Trisazo black dyes from 2-(4'-aminophenylazo)-7-amino-1-naphthol-3-sulfonic acid12 Apr 1988US 4,737,240 ACiba-Geigy Corporation
- New anionic coloring agents to dye leather, paper, cardboard and textile substrates: mixtures of coloring agents including these new products, and substrates dyed using the above coloring agents13 Jul 2006US 2006/0150345 A1
- Self-dispersible colorant and ink composition containing the same6 Apr 2006US 2006/0070549 A1Samsung Electronics Co., Ltd.
- Trisazo dyes for inks for ink jet printing16 Mar 2006US 2006/0054054 A1Fujifilm Imaging Colorants Limited
- Poly-azo compound, and polarization film having said compound16 Jun 2005US 2005/0127335 A1Sumitomo Chemical Company, Limited
- Anionic coloring agents to dye leather, paper, cardboard and textile substrates: mixtures of coloring agents including these new products, and substrates dyed using the above coloring agents4 Jul 2002US 2002/0083532 A1
Most cited
By later US patents
- Electrophotographic photoreceptor comprising azo compounds51US 4,618,555 AMitsubishi Chemical Ind., Ltd. · 1986
- Recording liquid21US 4,426,226 ACanon Kabushiki Kaisha · 1984
- Trisazo black dyes from 2-(4'-aminophenylazo)-7-amino-1-naphthol-3-sulfonic acid14US 4,737,240 ACiba-Geigy Corporation · 1988
- Electrophotographic photosensitive member comprising disazo pigment11US 4,702,982 ACanon Kabushiki Kaisha · 1987
- Azo dyestuffs and liquid-crystal material containing azo dyestuffs7US 4,610,803 ABayer Aktiengesellschaft · 1986