Formazane dyes Tetrazolium dyes

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CPC
C09B50/00

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Patents Grantslast 30 patents

Information Patent Grant
Substituted tetraazapentalenes
- Patent number 8,273,877
- Issue date Sep 25, 2012
- The United States of America as represented by the Secretary of the Navy
- Alfred G. Stern
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Optical recording medium, and, method and apparatus for optical rec...
- Patent number 7,439,008
- Issue date Oct 21, 2008
- Ricoh Company, Ltd.
- Tatsuya Tomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Use of tetra-azapentamethine compounds as direct dyeing agents and...
- Patent number 7,399,320
- Issue date Jul 15, 2008
- L'Oreal
- Herve Burgaud
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of tetra-azapentamethine compounds as direct dyeing agents and...
- Patent number 7,311,736
- Issue date Dec 25, 2007
- L'Oreal
- Herve Burgaud
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical recording medium
- Patent number 6,762,008
- Issue date Jul 13, 2004
- Ricoh Company, Ltd.
- Tsutomu Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Formazane compounds and method of dyeing using the same
- Patent number 6,653,454
- Issue date Nov 25, 2003
- Nippon Kayaku Kabushiki Kaisha
- Mariko Umeda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Formazan metal complex
- Patent number 6,645,594
- Issue date Nov 11, 2003
- Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
- Kentaro Yano
- G11 - INFORMATION STORAGE
Information Patent Grant
Dye mixtures, 1:2 cobalt complex formazan dyes and their use
- Patent number 6,551,364
- Issue date Apr 22, 2003
- Ciba Specialty Chemicals Corporation
- Urs Lehmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dye mixtures, 1:2 cobalt complex formazan dyes and their use
- Patent number 6,428,582
- Issue date Aug 6, 2002
- Ciba Specialty Chemicals Corporation
- Urs Lehmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical recording elements having recording layers containing mixtu...
- Patent number 5,922,504
- Issue date Jul 13, 1999
- Eastman Kodak Company
- Derek D. Chapman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dicyclic metal complex formazan derivatives, process for producing...
- Patent number 5,858,026
- Issue date Jan 12, 1999
- Kyung-In Synthetic Corporation
- Dong Gil Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical recording layers containing no k metallized formazan dyes m...
- Patent number 5,773,193
- Issue date Jun 30, 1998
- Eastman Kodak Company
- Derek David Chapman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thermal imaging recording element
- Patent number 5,693,589
- Issue date Dec 2, 1997
- Eastman Kodak Company
- Ramanuj Goswami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Iron-complexed formazan dyes for polyamide and protein substrates
- Patent number 5,677,434
- Issue date Oct 14, 1997
- North Carolina State University
- Harold S. Freeman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of aminoformazans
- Patent number 5,391,719
- Issue date Feb 21, 1995
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Assay for lithium using tetra-substituted aryl cyclic formazan dyes
- Patent number 5,051,367
- Issue date Sep 24, 1991
- Eastman Kodak Company
- Mary H. Delton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copper-complex formazan compounds having a fiber-reactive group of...
- Patent number 5,028,700
- Issue date Jul 2, 1991
- Hoechst Aktiengesellschaft
- Gunther Schwaiger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tetra-substituted aryl cyclic formazan dyes
- Patent number 4,892,937
- Issue date Jan 9, 1990
- Eastman Kodak Company
- Mary H. Delton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Stabilization of tetrazolium salts with cyclodextrins
- Patent number 4,837,331
- Issue date Jun 6, 1989
- Wako Pure Chemical Industries, Ltd.
- Kazuhiko Yamanishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ink comprising at least one water soluble-formazan dye, free from c...
- Patent number 4,772,323
- Issue date Sep 20, 1988
- Canon Kabushiki Kaisha
- Anthony G. W. Baxter
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble formazan dye
- Patent number 4,758,658
- Issue date Jul 19, 1988
- Imperial Chemical Industries PLC
- Anthony G. W. Baxter
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for dyeing amide-containing fibre materials
- Patent number 4,556,401
- Issue date Dec 3, 1985
- Bayer Aktiengesellschaft
- Robert Weitz
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Metallized bis-formazans
- Patent number 4,158,003
- Issue date Jun 12, 1979
- Ciba-Geigy AG
- Otto Bitterlin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler component
- Patent number 4,141,890
- Issue date Feb 27, 1979
- Ciba-Geigy Corporation
- Gert Hegar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triphendioxazine triazinyl dyes having phosphonic acid groups
- Patent number 4,092,478
- Issue date May 30, 1978
- Imperial Chemical Industries Limited
- David William Plant
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Transition metal complex formazan dyestuffs containing at least one...
- Patent number 4,079,049
- Issue date Mar 14, 1978
- Imperial Chemical Industries Limited
- David William Crichton Ramsay
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3773748
- Patent number 3,773,748
- Issue date Nov 20, 1973
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3698908
- Patent number 3,698,908
- Issue date Oct 17, 1972
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3676135
- Patent number 3,676,135
- Issue date Jul 11, 1972
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3663525
- Patent number 3,663,525
- Issue date May 16, 1972
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Use of tetra-azapentamethine compounds as direct dyeing agents and...
- Publication number 20080092307
- Publication date Apr 24, 2008
- L'Oreal
- Herve Burgaud
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Optical recording medium, and, method and apparatus for optical rec...
- Publication number 20060035172
- Publication date Feb 16, 2006
- Tatsuya Tomura
- G11 - INFORMATION STORAGE
Information Patent Application
Use of tetra-azapentamethine compounds as direct dyeing agents and...
- Publication number 20050028300
- Publication date Feb 10, 2005
- Herve Burgaud
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Optical recording medium
- Publication number 20030068576
- Publication date Apr 10, 2003
- Tsutomu Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Dye mixtures, 1:2 cobalt complex formazan dyes and their use
- Publication number 20010014733
- Publication date Aug 16, 2001
- Urs Lehmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Formazane dyes Tetrazolium dyes

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Substituted tetraazapentalenes

Optical recording medium, and, method and apparatus for optical rec...

Use of tetra-azapentamethine compounds as direct dyeing agents and...

Use of tetra-azapentamethine compounds as direct dyeing agents and...

Optical recording medium

Formazane compounds and method of dyeing using the same

Formazan metal complex

Dye mixtures, 1:2 cobalt complex formazan dyes and their use

Dye mixtures, 1:2 cobalt complex formazan dyes and their use

Optical recording elements having recording layers containing mixtu...

Dicyclic metal complex formazan derivatives, process for producing...

Optical recording layers containing no k metallized formazan dyes m...

Thermal imaging recording element

Iron-complexed formazan dyes for polyamide and protein substrates

Preparation of aminoformazans

Assay for lithium using tetra-substituted aryl cyclic formazan dyes

Copper-complex formazan compounds having a fiber-reactive group of...

Tetra-substituted aryl cyclic formazan dyes

Stabilization of tetrazolium salts with cyclodextrins

Ink comprising at least one water soluble-formazan dye, free from c...

Water-soluble formazan dye

Process for dyeing amide-containing fibre materials

Metallized bis-formazans

Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler component

Triphendioxazine triazinyl dyes having phosphonic acid groups

Transition metal complex formazan dyestuffs containing at least one...

3773748

3698908

3676135

3663525

Patents Applicationslast 30 patents

Use of tetra-azapentamethine compounds as direct dyeing agents and...

Optical recording medium, and, method and apparatus for optical rec...

Use of tetra-azapentamethine compounds as direct dyeing agents and...

Optical recording medium

Dye mixtures, 1:2 cobalt complex formazan dyes and their use