Dyes containing at least four ortho-condensed rings with at least two ring N-atoms in the system

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device
- Patent number 10,065,959
- Issue date Sep 4, 2018
- Merck Patent GmbH
- Junyou Pan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methine compound and silver halide photographic material containing...
- Patent number 7,161,010
- Issue date Jan 9, 2007
- Fuji Photo Film Co., Ltd.
- Katsumi Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methine compound and silver halide photographic material containing...
- Patent number 6,667,405
- Issue date Dec 23, 2003
- Fuji Photo Film Co., Ltd.
- Katsumi Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methine compound and silver halide photographic material containing...
- Patent number 6,333,146
- Issue date Dec 25, 2001
- Fuji Photo Film Co., Ltd.
- Katsumi Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3419557
- Patent number 3,419,557
- Issue date Dec 31, 1968
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3376298
- Patent number 3,376,298
- Issue date Apr 2, 1968
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3211694
- Patent number 3,211,694
- Issue date Oct 12, 1965
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2495202
- Patent number 2,495,202
- Issue date Jan 17, 1950
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...