Fuji Photo Film Company, Limited

Fujifilm Corporation

Toshiki Taguchi

Manabu Ogawa

Naotaka Wachi

Takashi Ozawa

Yoshiharu Yabuki

Koki Nakamura

Kazuhiko Matsumoto

Toshiaki Aono

Toshiyuki Makuta

Akio Miyamoto

Kiyoshi Takeuchi

Ken Kawata

Tatsuya Igarashi

Takayuki Ito

Kozo Sato

Hiroyuki Hirai

Hisashi Okada

Toru Harada

Nobuo Seto

Makoto Suzuki

Hideaki Naruse

Koichi Nakamura

Masahiro Asami

Masanobu Takashima

Hidetaka Okada

Shun-ichi Ishikawa

Taiji Katsumata

Takeshi Nakamine

Tomohiro Chino

Makoto Yamada

Toshihiro Ise

Hiroo Takizawa

Hisashi Okamura

Hiroshi Kawamoto

Masaki Noro

Yoshihisa Tsukada

Masayuki Negoro

Masayuki Mishima

Akio Mitsui

Takeshi Shibata

Masaaki Tsukase

Kaoru Tojo

Kiyoteru Miyake

Hirohisa Hokazono

Hajime Nakagawa

Yoshihiko Shibahara

Seiya Sakurai

Ryo Nishio

Hiroshi Arakatsu

Kozo Nagata

Atsuhiro Okawa

Masaaki Tukase

Sachiko Arai

Kouhei Kawahara

An ink composition is provided and includes: a dye; and at least one polymer of an oxidation-resistant polymer having a weight-average molecula weight of 3,000 or more, an association-accelerating polymer and an amidic polymer. An image printed with the ink composition has an ozone degradation rate of 1/5 or less of that of an image printed with an ink composition free of the at least one polymer. The ink composition has an extremely high image durability.

Ink composition, ink set, ink for inkjet recording, ink set for inkjet recording, and ink cartridge for inkjet recording

To provide a membrane capable of efficiently collecting fine particles for a long period of time, disclosed is a polytetrafluoroethylene microporous membrane wherein the mean pore size in the surface of the membrane is larger than the mean pore size in the back thereof and the mean pore size continuously changes from the surface toward the back.

Crystalline polymer microporous membrane, method for producing same, and filter for filtration

At least one of an ink for inkjet printing and an inkjet recording material contains a compound represented by formula (A): wherein R1, R2 and R3 each represents an alkyl group, an aryl group or a heterocyclic group, and at least two of R1, R2 and R3 are mutually connected to form a cyclic structure; L represents a divalent connecting group; and at least one of R1, R2, R3 and L is a group having 8 or more carbon atoms.

Ink for inkjet printing, ink set for inkjet printing, inkjet recording material and producing method for inkjet recording material, and inkjet recording method

To provide a crystalline polymer microporous film including: a laminate consisting of two or more crystalline polymer layers formed of crystalline polymers; and multiple pores penetrating through the laminate in the thickness direction thereof, wherein an average pore size of each of the crystalline polymer layer changes along the thickness thereof.

Crystalline polymer microporous film, manufacturing method of the same, and filtration filter

A lubricant composition comprising following ingredients (a) and (b) is disclosed. 

Lubricant composition, mechanical element, and method for producing triazine derivatives

A recording medium containing a substantially colorless compound in which at least 10 atoms having conjugate &#x3c0; electrons are present on a per-molecule basis, wherein it is especially preferable that the compound has at least two aromatic ring groups and/or shows no fluorescence. An ink composition used for printing in image form on media, with the composition containing a dye and controlling a hue change caused in the printed images over a period of one hour immediately after the printing to 5 or below in color-difference terms. And a method of recording images on media by printing an ink composition in image form, wherein the ink composition contains a dye and a hue change caused in the printed images over a period of one hour immediately after the printing is controlled to 5 or below in color-difference terms.

Recording medium, ink composition and recording method using the same

To provide inks and ink sets for inkjet recording, which have good fastness and good jet-out stability and which give good images with no bleeding trouble, yellow ink, black ink and magenta ink for inkjet printing contain at least two dyes each having an oxidation potential over 1.0 V (vs SCE).

Ink and ink set for inkjet recording

To provide an inkjet black ink having excellent image durability and ink discharge properties and an ink set, the inkjet black ink, which contains a dye having a &#x3bb;max of from 500 nm to 700 nm and a half-band width of 100 nm or more in an absorption spectrum of a diluted solution standardized at an absorbance of 1.0 at the &#x3bb;max, has the change ratio of absorbance at the &#x3bb;max in the visible region, specified in the specification; and the inkjet ink set containing at least two black inks having different densities has the relationship among the at least two black inks, specified in the specification.

Black ink and ink set for inkjet recording

An ink for ink jet recording, which hardly causes blotting of an image even under high humidity conditions while maintaining the advantages as water-based ink (handling properties, stability, producing properties, hue), is provided. Also provided is a method of manufacturing ink for ink jet recording, an ink set for ink jet recording, and an ink jet recording method.

Sheet for ink jet recording, ink for ink jet recording, manufacturing method of ink for ink jet recording, ink set for ink jet recording, and ink jet recording method

An ink for inkjet including: a dye; and water and/or a water-miscible organic solvent, wherein the dye includes a dye compound having at least one heterocyclic structure, and the ink further includes, as an additive, at least one compound capable of chemically interacting with the dye compound.

Ink for inkjet, ink set for inkjet, and inkjet recording method

An inkjet recording ink including an aqueous medium having dissolved or dispersed therein a dye having a specific property or structure, and containing at least one antiseptic is provided, which can ensure excellent ejection stability and color hue even after long-term aging of the ink and exhibit excellent weather resistance.

Ink-jet recording ink and method of ink-jet recording

An inkjet recording method comprising ejecting ink droplets on an image-receiving material according to recording signals to record an image on the image-receiving material, wherein at least one of the ink and the image-receiving material comprises an acid precursor capable of releasing an acid by a chemical reaction.

Inkjet recording method

The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a plurality of inks different in hues, wherein the plurality of inks includes a yellow ink containing a coloring agent that is a dye having: a &#x3bb;max of from 390 nm to 470 nm; an I(&#x3bb;max+70 nm)/I(&#x3bb;max) ratio of not greater than 0.4, in which I(&#x3bb;max) is the absorbance at &#x3bb;max and I(&#x3bb;max+70 nm) is the absorbance at (&#x3bb;max+70 nm); and a forced fading rate constant of not greater than 5.0&#xd7;10[hour], an ink cartridge having the ink set received therein, an ink jet printer comprising the ink cartridge mounted therein and an image recording method.

Ink set, ink cartridge, ink jet printer and recording method

An ink for ink jet recording comprises a water soluble dye, in which the water soluble dye having an oxidation potential more positive than 1.0 V (SCE) is dissolved or dispersed in an aqueous medium, which comprises at least one selected from compounds represented by the following general formula (A) and compounds represented by the following general formula (B), which gives excellent in discharge stability of the ink even after aging for long period of time.

Jet printing ink and method of ink jet printing

An inkjet recording ink including an aqueous medium having dissolved therein a phthalocyanine dye, wherein the phthalocyanine dye is a water-soluble dye having an oxidation potential more positive than 1.0 V (vs SCE) and the ink includes a water-miscible organic solvent having a vapor pressure of 2,000 Pa or less at 20&#xb0; C.; and an inkjet recording method using the ink.

Inkjet recording ink and method of inkjet recording

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Shizuoka, Japan

Toshiki Taguchi