Fuji Photo Film Company, Limited

Ken Iwakura

Masato Satomura

Akira Igarashi

Masanobu Takashima

Naoto Yanagihara

Kensuke Ikeda

Keiso Saeki

Shojiro Sano

Hiroshi Kawakami

Takekatsu Sugiyama

Katsumi Matsuoka

Kozo Sato

Yuichi Wakata

Yuuichi Fukushige

Sadao Ishige

Minoru Maeda

Hirotaka Matsumoto

Shintaro Washizu

Kenji Ikeda

Akio Miyamoto

Nobuyoshi Sekikawa

Mikio Totsuka

Takayuki Hayashi

Shinji Fujimoto

Masatoshi Yumoto

Tomohiro Kodama

Koreshige Ito

Chiyoshi Nozaki

Juniti Fujimori

Seiji Ichijima

Toru Harada

Masayuki Iwasaki

Nobutaka Ohki

Yoshihiro Jimbo

Toshimasa Usami

Naotaka Wachi

Akihiro Shimomura

Morimasa Sato

Jun Yamaguchi

Sadao Fujikura

Hisao Yamada

Kimiatsu Nomura

Yohsuke Takeuchi

Kazumori Minami

Seiji Hatakeyama

Shunsaku Higashi

Tosiaki Endo

Kimio Ichikawa

Katsuya Takemasa

Hiroo Fukunaga

Masato Shimazaki

Hiroyuki Kawasaki

The present invention provides a photo-sensitive and heat-sensitive recording material comprising a substrate supporting thereon a photo-sensitive and heat-sensitive recording layer containing a diazo compound and a coupler, wherein the diazo compound is a compound represented by the following general formula (1) and the diazo compound is enclosed in a microcapsule:

Photo-sensitive and heat-sensitive recording material

A thermal recording material comprising a support having thereon at least one layer containing an electron donating colorless dye, an electron accepting compound and a diaryloxyalkane derivative represented by the following general formulae (I) to (III)

Thermal recording material

.alpha.-resorcylic acid ester derivatives useful as electron-accepting compounds for recording materials, and highly durable recording materials containing these derivatives. The .alpha.-resorcylic acid derivative is represented by the following general formula (I), ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom or an alkyl group, and X represents a divalent group.

Alpha-resorcyclic acid ester derivatives and recording materials using

A heat-sensitive recording material comprising a support having thereon a heat-sensitive recording layer and a protective layer in this sequence, said heat-sensitive recording material containing a compound represented by formula (1), (2), (3), or (4): ##STR1##

Heat-sensitive recording material comprising a diazonium salt, a coupler

A light-sensitive resin composition which can be developed in an alkaline aqueous solution and has an excellent image-forming performance and a sufficient UV absorbance after an image formation is disclosed. The light-sensitive resin composition includes (1) a photopolymerization initiator or a photopolymerization initiator system, (2) an addition-polymerizable monomer having an ethylenically unsaturated double bond, (3) a high molecular binder which is soluble in an alkaline aqueous solution and insoluble in water, and (4) at least one of the compounds which substantially do not absorb light in a specified UV region and which, when subjected to treatment with an aqueous alkali solution and/or to heating, are capable of absorbing light in that region and have substantially no absorption in the visible region.

Light-sensitive resin composition

Photosensitive bis(halomethyloxadiazole) compounds which are capable of producing free radicals upon exposure to light represented by the following general formulae (1) to (4): ##STR1## The symbols in the above formulae are defined in the present specification. The photosensitive bis(halomethyloxadiazole) compound is useful in the fields of recording materials such as photosensitive protecting films, printing plates, photoresists, proofs, etc. Furthermore, a photosensitive transfer sheet using a photosensitive composition containing the photosensitive bis(halomethyloxadiazole) is useful in making a prepress proof for color proofing, a color display, etc.

Photosensitive bis(halomethyloxadiazole) compound and photosensitive

Photosensitive bis (halomethyloxadiazole) compounds which are capable of producing free radicals upon exposure to light represented by the following general formulae (1) to (4): ##STR1## The symbols in the above formulae are defined in the present specification. The photosensitive bis(halomethyloxadiazole) compound is useful in the fields of recording materials such as photosensitive protecting films, printing plates, photoresists, proofs, etc. Furthermore, a photosensitive transfer sheet using a photosensitive composition containing the photosensitive bis(halomethyloxadiazole) is useful in making a prepress proof for color proofing, a color display, etc.

A novel light-sensitive bistrihalomethyl-s-triazine compound is provided, which is represented by the general formula (I): ##STR1## wherein T represents a (4,6-bistrihalomethyl-s-triazine-2-yl) group; Y represents a divalent group; and the benzene rings may further contain substituents; a novel photopolymerizable composition containing the same and a light- and heat-sensitive recording material containing the same.

Light-sensitive bistrihalomethyl-s-triazine compound and

A recording material employing an electron-donating achromatic dye and an electron-accepting compound, which further contains at least one triarylamine derivative represented by general: formula (1), (2), (3) or (4); ##STR1## wherein all the symbols are defined in the specification.

Recording material

Disclosed is a thermal recording material having, on a support, a heat-sensitive coloring layer containing an electron-donating colorless dye, an isocyanate compound and an amino compound. The storage stability of the raw stock material as well as the color image stability of the material are excellent.

A recording material which comprises a support having provided thereon capsules containing a photosensitive diazonium salt, and a polymerizable coupler. The recording material can give a predetermined hue when light, pressure, heat and the like are applied alone or in combination. The main advantages of the recording material are that a specific hue can be selected safely, mixing of colors can be avoided, desensitization problem does not occur and a fixed image can be obtained.

Image forming method

A novel light-sensitive bistrihalomethyl-s-triazine compound is provided, which is represented by the general formula (I): ##STR1## wherein T represents a (4,6-bistrihalomethyl-S-triazine-2-yl) group; Y represents a divalent group; and the benzene rings may further contain substituents; a novel photopolymerizable composition containing the same and a light- and heat-sensitive recording material containing the same.

Light-sensitive bistrihalomethyl-s-triazine compounds

A method of optically reading colored record images formed by the reaction of a substantially colorless electron donating dye and an electron accepting developer in a pressure-sensitive recording sheet with a red light having a wavelength of from 620 nm to 700 nm, wherein the pressure-sensitive recording sheet comprises an electron accepting developer layer containing a metal salt of an aromatic carboxylic acid as the electron accepting developer and an electron donating dye layer containing a phthalide compound represented by the following formula (1) as the electron donating dye: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; the R.sub.1 and R.sub.2 or the R.sub.3 and R.sub.4 may combine with each other to form a ring; R.sub.5 represents a hydrogen atom or an alkyl group; R6, R.sub.7, R.sub.8, and R.sub.9 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a substituted amino group, or an alicyclic amino group; and X and Y each represents a hydrogen atom, an alkyl group, or an alkoxy group.

Optical reading method

A polymerizable phenol compound represented by the formula (I): ##STR1## wherein X represents a hydrogen atom, an alkyl group, a halogen atom, an alkylsulfonyl group, a hydroxyl group or a substituted or unsubstituted phenyl group; Y represents a hydrogen atom, a hydroxyl group, an alkoxy-carbonyl group, a halogen atom, an alkyl group, an alkyl-sulfonyl group, an alkoxy group, an alkanoyloxy group, an acryloyloxy group or a methacryloyloxy group; Z represents --COO--, --O--, --SO.sub.2 -- or --SO.sub.2 NH--; R represents a divalent linkage group having an --O--, --S--, --SO.sub.2 --, --CO--, --NH--, or a cyclic structure; and P represents an acryloyloxy group or a methacryloyloxy group.

Polymerizable phenol compound

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Shizuoka, Japan

Ken Iwakura