with the -C=N- group between two heterorings

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Patents Grantslast 30 patents

Information Patent Grant
Tricationic dyes
- Patent number 7,794,509
- Issue date Sep 14, 2010
- Ciba Corporation
- Christian Cremer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dye preparations containing methine dyes
- Patent number 6,123,740
- Issue date Sep 26, 2000
- BASF Aktiengesellschaft
- Rudiger Sens
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Multilayer organic photovoltaic elements
- Patent number 4,281,053
- Issue date Jul 28, 1981
- Eastman Kodak Company
- Ching W. Tang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Coumarine dyestuffs of the dispersion series
- Patent number 4,002,619
- Issue date Jan 11, 1977
- Ciba-Geigy Corporation
- Siegfried Dengler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3558320
- Patent number 3,558,320
- Issue date Jan 26, 1971
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY