Canon Kabushiki Kaisha

Canon Kabuskiki Kaisha

Tsuyoshi Santo

Koromo Shirota

Taichi Shintou

Yuji Kondo

Ai Hayakawa

Tomoyuki Noda

Hajime Muta

Hiroshi Tomioka

Hiroyuki Sugata

Motoaki Sato

Yuko Katsumoto

Takeshi Miyazaki

Tetsuro Fukui

Tadashi Okamoto

Toshikazu Ohnishi

Kazumi Tanaka

Kenichi Yamaguchi

Shigehira Iida

Masataka Yashima

Miki Tamura

Chieko Mihara

Hiroshi Asakawa

Muneyoshi Sunada

Masahiko Kubota

Hitoshi Yoshino

Takeshi Yazawa

Mariko Suzuki

Shinjiro Hori

Hideo Saikawa

Osamu Kanome

Takashi Sawada

Hisao Kamo

Hiroyuki Ogino

Yoichi Takada

Hirofumi Ichinose

Masanori Ito

Yomishi Toshida

Hiroshi Tanabe

Toshiya Yuasa

Hirofumi Kamitakahara

Masanori Seki

Tsutomu Shimada

Kenji Maeda

Hitoshi Nagashima

Masahiro Suenaga

Yoshifumi Fujita

Yasuyuki Ishida

Satoko Ito

Satoko Kakumoto

A printed product including: a yellow image formed on an image receiving sheet including a coloring material receiving layer and a surface protective layer formed on the yellow image, wherein the yellow image and the surface protective layer are formed by sequentially applying heat to a yellow coloring material layer for forming the yellow image and a surface protective layer forming layer for forming a surface protective layer through use of a thermal transfer recording sheet including the yellow coloring material layer and the surface protective layer forming layer field sequentially; the yellow coloring material layer contains a compound having a predetermined structure as a yellow coloring material, and wherein in the printed product having formed thereon the yellow image and the surface protective layer, the compound permeates into the coloring material receiving layer to a depth of 2 μm or more.

Printed product and method of producing printed product

The azomethine compound provided by this case is a compound showing high chroma and having excellent light resistance.

Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner

There is provided a compound having a structure represented by the following Formula (1),

Compound, ink, resist composition for color filter, sheet for heat-sensitive transfer recording, and toner

A coloring compound comprises a triphenylmethane structure having specific substituents.

Coloring compound and thermal transfer recording sheet

A thermal transfer recording sheet including a substrate and a yellow coloring material layer, a magenta coloring material layer, and a cyan coloring material layer frame-sequentially formed on the substrate, wherein at least one of the yellow coloring material layer, the magenta coloring material layer, and the cyan coloring material layer contains a compound with a specified structure.

Thermal transfer recording sheet

An object of the present invention is to provide a compound exhibiting a cyan color having properties such as high chroma, high light fastness, and high solubility. The compound is represented by the following General Formula (1). In Formula (1), Rand Reach independently represent a linear, branched, or cyclic alkyl group having 6 or more and 12 or fewer carbon atoms, Rrepresents a 4-alkylphenyl group, a 4-halogenated phenyl group, or a 3-alkoxyphenyl group, Rrepresents a linear, branched, or cyclic alkyl group having 1 or more and 8 or fewer carbon atoms, and Rrepresents a linear, branched, or cyclic alkyl group having 1 or more and 8 or fewer carbon atoms or a benzyl group.

An object of the present invention is to provide a thermal transfer recording sheet that provides an image that is excellent in light fastness and has a satisfactory imbalance. The present invention relates to a thermal transfer recording sheet including a substrate and dye layers (a yellow dye layer, a magenta dye layer, and a cyan dye layer), in which one or more kinds of the dye layers each contain one or more kinds of specific compounds. The present invention also relates to a thermal transfer recording sheet including a substrate, dye layers, and a protective layer for protecting the surface of an image, in which the protective layer contains one or more kinds of specific compounds.

Provided is, for example, a compound excellent in light fastness and storage stability. The compound is characterized by having a structure represented by the following formula (1) or (2). 

Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter

In a thermal transfer recording sheet including a base material and a colorant layer, the colorant layer includes a yellow dye layer containing a yellow dye, a magenta dye layer containing a magenta dye, and a cyan dye layer containing a cyan dye, and the cyan dye includes a compound represented by Formula (1a) or Formula (1b): where Rto Rare substituents, Xis an anion, and the compound of Formula (1b) has at least one anionic substituent.

A thermal transfer recording sheet includes a base material and, on the base material, a yellow-dye layer containing a yellow dye, a magenta-dye layer containing a magenta dye, and a cyan-dye layer containing a cyan dye. The yellow dye and the cyan dye contain compounds having specific structures.

A thermal transfer recording sheet set includes an image-receiving sheet that includes an image-receiving layer containing a compound represented by general formula (1) or (2) and an ink sheet that includes a yellow coloring material layer containing a particular dye and a cyan coloring material layer containing a particular dye.

Thermal transfer recording sheet set and image forming method

Provided is an inkjet recording medium in which hydrated alumina and a sulfinic acid compound or thiosulfonic acid compound coexist in a pigment in an ink receiving layer, and which can prevent white-background yellowing during storage in a resin file holder or the like and ensure printing quality at the same time. The ink receiving layer of the inkjet recording medium contains the sulfinic acid compound or thiosulfonic acid compound, which functions to prevent yellowing, in a salt form or in a free form so as to be diffusible.

Article having microporous body part, production method of ink medium, diffusion method of sulfur-containing organic acid into microporous layer, production method of article having meicroporous body part, and inkjet recording medium produced therefrom

The invention provides a recording medium for ink having an ink absorbing ability capable of absorbing ink of a large amount at a high speed, showing an excellent color forming ability and capable of suppressing an image deterioration by a dye displacement which tends to appear particularly in an image storage under a high humidity condition, and an image deterioration caused by light when a printed image is displayed, and showing an excellent stability with time of the printed image, and a method for producing such recording medium for ink. The invention also provides a recording medium for ink having at least one layer laminated on a substrate and including an ink receiving layer containing alumina hydrate as an outermost layer, in which a surface of the substrate at least on the side of the ink receiving layer is subjected to a cationizing treatment, further having an undercoat layer on the side of such cationizing treatment to obtain cations in a predetermined distribution, and having an outermost ink receiving layer laminated on said undercoat layer, and a producing method for such recording medium for ink.

Recording medium for ink and method for producing the same

The invention provides a recording medium providing an image storage property over a prolonged period and satisfactory recording properties at the same time, and a producing method for securely realizing such characteristics. In incorporating a colorant deterioration preventing agent in an ink-receiving layer, the colorant deterioration preventing agent is dissolved in a solvent and is applied on the ink-receiving layer thereby forming a high concentration region containing the colorant deterioration preventing agent at a high concentration and a low concentration region containing the colorant deterioration preventing agent at a low concentration, with the high concentration region positioned closer to the recording surface.

Ink recording medium and production method therefor

A recording medium for ink, capable of rapidly absorbing large amounts of ink, showing excellent color forming ability and capable of suppressing image deterioration caused by dye displacement that occurs when an image is stored in humid conditions and image deterioration caused by light when a printed image is displayed, and providing a printed image showing excellent long-term stability. The invention also provides a recording medium for ink having at least one layer provided on a substrate, and an ink receiving layer containing alumina hydrate as an outermost layer. A surface of the substrate at least on the side of the ink receiving layer is subjected to a cationizing treatment. An undercoat layer is provided on the same side as the cationizing treatment, to obtain cations in a predetermined distribution. The outermost ink receiving layer is provided on the undercoat layer.

Growing community of inventors

Yokohama, Japan

Tsuyoshi Santo