Konica Corporation

Konishiroku Photo Industry Co., Ltd.

Noritaka Nakayama

Katsunori Katoh

Satoshi Kawakatsu

Toyoaki Masukawa

Kaoru Shinozaki

Tawara Komamura

Toshihiko Kimura

Tatsuo Tanaka

Takashi Uchida

Norio Miura

Hidetaka Ninomiya

Hiroshi Kashiwagi

Toshihisa Takeyama

Kenji Kumashiro

Kosaku Masuda

Yoriko Nakayama

Koichi Hatta

Toshifumi Iijima

Yasuo Tsuda

Kaoru Miyagi

Yutaka Kaneko

Shuji Kida

Shigeto Hirabayashi

Fumio Ishii

Satoshi Nakagawa

Osamu Ishige

Shinri Tanaka

Katsunori Kato

Hideaki Haraga

Noriyasu Kita

Hajime Wada

Akira Onishi

Yuji Hotta

Naoshi Kunieda

Michiko Nagato

Kenji Kadokura

Hiroyuki Iizuka

Mitsunori Matsuura

Shinji Matsumoto

Kimihiko Okubo

Satomi Kawasaki

Satoshi Matsunaga

Yasuko Matsubara

Miki Morita

Toshijumi Iijima

Takako Tanaka

Hiroko Ohya

A photo-decoloring dye represented by the following Formula (1), ##STR1## wherein Z.sub.1, Z.sub.2 and Z.sub.3 each represents a carbon atom or a nitrogen atom, R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom and substituents, Z.sub.2 and Z.sub.3 may form a condensed ring, Z represents N or CH, X+ represents an organic cation, m represents an integer of 0 to 4, n represents an integer of 0 to 3.

Photo-decoloring dye, a binder resin composition containing the same and

A method to recover the resources incorporated in a photographic material is disclosed. An exposed silver salt light-sensitive photographic material is subjected to color development processing; the obtained image information is optically read; digital image information is obtained by converting the read information to electrical signals, and the resulting image information is recorded on a recording medium, and resources incorporated in a photographic material is recovered from the processed photographic material.

Resources recovery method in a silver salt photographic system

A light sensitive composition and a manufacturing method of a planographic printing plate employing the same are disclosed, the composition comprising a radical generating agent and a dye represented by the following formula (1), (2) or (3): ##STR1##

Light sensitive composition and method for manufacturing planographic

A photopolymerizable composition and a presensitized planographic printing plate employing the same are disclosed which comprise a compound having an ethylenically unsaturated bond and a dye represented by the following formula (1) or (2): ##STR1##

Photopolymerizable composition and presensitized planographic printing

An image forming method is disclosed, comprising exposing a silver halide photographic light sensitive material comprising a support having thereon a silver halide emulsion layer containing a dye forming coupler and processing the exposed photographic material, wherein the coupler has, in its molecule, at least two sites capable of chelating with a metal ion to form a 5-membered or 6-membered chelate ring, thereby forming, together with a developing agent and the metal ion, a chelate dye.

Silver halide photographic light sensitive material comprising a coupler

A thermal transfer recording material is disclosed, comprising an azomethine dye represented by the following formula and a metal ion-containing compound. ##STR1##

Thermal transfer recording material

A method of recording an image on a recording sheet is disclosed which comprises the step of jetting an ink from a nozzle onto the recording sheet, wherein the ink comprises a dye capable of co-ordinate bonding with a metal ion in two or more coordination positions and the recording sheet comprises a compound containing a metal ion which is capable of co-ordinate bonding with the dye in two or more coordination positions to record the image on a recording sheet.

Ink and sheet for ink jet recording and ink jet recording method

An image forming element and an image forming method using the same are disclosed. The element comprises a support having thereon a image forming layer comprising a binder, an aromatic aldehyde, a cobalt (III) complex represented by formula I, and a compound represented by formula II or formula III;

Image forming element and image forming method

A thermal transfer recordimg material comprising a support having thereon a thermal transfer layer containing a dye represented by the following formula and a thermal transfer recording process capable of recording magenta images by forming a chelate dye in the presence of a metallic ion-containing compound ##STR1##

Thermal-transfer recording material and a thermal-transfer recording

An image forming element utilizing the photoreduction of a cobalt complex is disclosed. The image forming element comprises a support having thereon a layer comprising a cobalt complex compound represented by Formula 1 or Formula 2; ##STR1## wherein lig is a coordinating compound capable of forming a cobalt complex compound with a cobalt cation; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently an aryl group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, a heterocyclic group or a cyano group, provided that at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, a heterocyclic group or a cyano group, the above groups represented by R.sup.1, R.sup.2, R.sup.3 or R.sup.4 are each may have a substituent; X is a monovalent or bivalence anion; m is 1, 2 or 3, when m is 2 or 4, a plurality of lig may be the same or different; n is 2 or 3; and s is 0, 1 or 2; and m, n and s are selected so as the valence of the cobalt complex compound to be zero; ##STR2## wherein Dlig is a coordination compound capable of forming a cobalt complex compound with a cobalt cation; p is 1, 2 or 3, when p is 2 or 3 a plurality of Dlig may be the same or different, provided that at least one of Dlig is a coodination compound having a moiety of a dye or a moiety of a dye precuror; R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each independently an aryl group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, a heterocyclic group or a cyano group, groups represented by R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each may have a substituent; q is 1, 2 or 3; X is a monovalent or bivalent; r is 0, 1 or 2; and p, q and r are selected so that the valence of the cobalt complex compound to be zero.

Image forming element

A thermal transfer recording material comprises a support and provided thereon, a layer containing a binder and a metal ion providing compound represented by the following Formula ( I ):

Thermal transfer image recording material and image using metal ion

A thermal transfer material applied with a cyan die which has features of improved thermal diffusibility, thermal resistance, and hue, is disclosed. The dye is represented by the following formula I: ##STR1## wherein R.sub.1 represents substituents; A and A' represent each an aryl group; X represents a hydroxyl group or --N(R)R' in which R and R' represent each an alkyl group allowable to have a substituent.

Disclosed is a heat-sensitive transfer recording material comprising a support and a heat-sensitive layer thereon, wherein said layer contains at least a compound represented by the formula (I): ##STR1## (wherein R.sup.1 represents hydrogen atom, an alkyl group, an aryl group or a --CO-R.sup.4 -- (where R.sup.4 represents an alkylene group) which has carbonyl carbon to nitrogen atom and also is bonded at one end to the benzene nucleus substituted with R.sup.2 to form a ring; R.sup.2 and R.sup.3 each represent hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkenyl group, an aralkyl group, an alkoxy group, an aryloxy group, a cyano group, an acylamino group, an alkylthio group, an arylthio group, a sulfonylamino group, a ureido group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group, an acyl group, an amino group; R.sup.1, R.sup.2 and R.sup.3 may be also the same or different from each other; m and n represent integers of 1 to 3; and X represents a hydroxyl group or a substituted or unsubstituted amino group).

Heat-sensitive transfer recording material

A novel organic non-linear optical material and a device using the same are disclosed. The material hardly makes reversal symmetrical molecular configuration in a bulk state such as a crystal and a thin layer and shows a high non-linear optical effect. A non-linear optical device using the material has an excellent properties. The organic non-linear optical material is comprised of the following compound: ##STR1## wherein R.sub.1, R.sub.3 and R.sub.4 are independently a hydrogen atom, a cyano group, a phenyl group, an amino group, an alkoxy group, an acylamino group, an alkylthio group, an alkyl group, an alkoxycarbonyl group, carbamoyl group or a heterocyclic group, provided that R.sub.3 is allowed to link together with R.sub.4 to form a ring and R.sub.1, R.sub.3 and R.sub.4 are not hydrogen atom at the same time; R.sub.2 is a hydrogen atom, an alkyl group or an acyl group; and said groups represented by R.sub.1, R.sub.2, R.sub.3, R.sub.4 and the ring formed by linking the groups represented by R.sub.3 and R.sub.4 are allowed to have a substituent.

Non-linear optical material and non-linear optical device employing it

A silver halide photographic light-sensitive material containing a novel cyan coupler is disclosed. The cyan coupler is represented by the following Formula I: ##STR1## wherein A represents an organic group; X represents a hydrogen atom or a group capable of splitting off upon a reaction with an oxidation product of a color developing agent; Z represents the group of atoms capable of forming a five or six-membered heterocyclic ring together with carbon and nitrogen atoms; Y represents a linkage group; and R represents a hydrogen atom or an organic group.

Silver halide photographic light-sensitive material containing a novel

Growing community of inventors

Hino, Japan

Noritaka Nakayama