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Noriko Kajiura, Tokyo JP

Noriko Kajiura, Tokyo JP

Patent application numberDescriptionPublished
20090285988Anthrapyridone compound, magenta ink composition and colored matter - The present invention relates to an anthrapyridone compound represented by the following Formula (1)11-19-2009
20090324900INK COMPOSITION AND COLORED PRODUCT - The present invention relates to an ammonium salt or a sodium salt of an anthrapyridone compound represented by the following the formula (1):12-31-2009
20100015410ANTHRAPYRIDONE COMPOUND, SALT THEREOF, MAGENTA INK COMPOSITION AND COLORED PRODUCT - The present invention relates to a novel anthrapyridone compound represented by the following formula (1) or a salt thereof, and can provide a magenta coloring matter having a highly vivid hue suitable for inkjet recording, a high fastness to recorded matters, and an excellent storage stability.01-21-2010
20100075112ANTHRAPYRIDONE COMPOUND OR SALT THEREOF, MAGENTA INK COMPOSITION AND COLORED PRODUCT - The present invention relates to a novel anthrapyridone compound represented by the following formula (1) or a salt thereof and provides a magenta coloring matter having a very vivid hue suitable for inkjet recording, being strong in fastnesses of recorded matters, and having an excellent storage stability:03-25-2010
20100209678ANTHRAPYRIDONE COMPOUND OR SALT THEREOF, MAGENTA INK COMPOSITION AND COLORED PRODUCT - The present invention relates to an anthrapyridone compound represented by the following formula (1):08-19-2010
20100221502Anthrapyridone Compound and Salt Thereof, Magenta Ink Composition Containing the Anthrapyridone Compound, and Colored Article - The present invention relates to a novel anthrapyridone compound represented by the following formula (1)09-02-2010
20100291360Anthrapyridone Compound Or A Salt Thereof, Magenta Ink Composition Containing The Anthrapyridone Compound and Colored Product - The present invention relates to a novel anthrapyridone compound represented by the following formula (1) or a salt thereof:11-18-2010
20110032302INK SET, RECORDING METHOD, AND COLORED OBJECT - An ink set is provided which, when used in color ink-jet printing, can give a full-color printed image having a satisfactory hue and brightness and excellent in various fastness properties. More specifically, an ink set for ink-jet recording is provided that is an ink set of at least two colors which includes at least two ink compositions, i.e., a cyan ink composition and a magenta ink composition. The cyan ink composition contains a cyan dye which is a dye represented by the following formula (7) or a salt thereof. The magenta ink composition contains a magenta dye which is a dye represented by the following formula (6) or a salt thereof.02-10-2011

Patent applications by Noriko Kajiura, Tokyo JP