Formazane dyes Tetrazolium dyes

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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

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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