Mitsubishi Paper Mills Limited

Toyota Jidosha Kabushiki Kaisha

Shin-etsu Chemical Co., Ltd.

Kabushiki Kaisha Toyota Jidoshokki

Kabushiki Kaisha Toyoda Jidoshokki Seisakusho

Shin-etsu Chemical Ltd.

Toshiro Kondo

Eiji Kanada

Yasuo Tsubai

Hiroshi Nishinoiri

Makiko Oko

Hidetoshi Miura

Yutaka Araki

Hajime Fujioka

Hideaki Baba

Masaaki Yamaya

Makoto Kato

Yoshikazu Takaya

Hiroyuki Kurokawa

Motozo Yamano

Sukeaki Date

Akio Yoshida

Akira Tanaka

Yoshiharu Yasui

Kenichi Isobe

Koichi Higuchi

Toshihisa Shimo

Takayuki Nagai

Jun Urasaki

Kenzo Fukumori

Masahiko Saikawa

Toshio Watanabe

Yasuki Miyashita

Kyonosuke Yamamoto

Seiichi Sumi

Shoji Yamada

Kunihiro Nakagawa

Hisashi Muramatsu

Masao Okushima

Koichi Chigita

Eiichi Terashima

Eiji Matsubara

Kimihisa Hamazoe

Hideo Kiyoyama

Koya Suzuki

Kyonosuki Yamamoto

Hiroyasu Hiramatsu

Yosihide Katagiri

Masaaki c/o Silicone-Electronics Mat Research Ctr Yamaya

Koichi c/o Silicone-Electronics Mat Research Ctr Higuchi

Toshio Watabe

A curable composition comprises (A) an organic/inorganic composite in which a hydrolyzable silyl group and/or SiOH group-containing polysiloxane is bonded to a vinyl polymer through a Si&#x2014;C bond, and (B) an organic UV absorber having a molecular weight of at least 500 and a weight retentivity of at least 95% when held at 150&#xb0; C. for 24 hours in an open state. The curable composition is coated and cured to an article, whereby the article is endowed with satisfactory weathering resistance while minimizing coloration or degradation.

Curable composition and coated article

A propeller shaft comprising a shaft main body and a yoke which is mounted to the shaft main body with a serrated inserting portion thereof being press fitted into an inner circumferential surface of the shaft main body is constructed such that serration fit-in grooves having extending portions into which serration teeth travel when the yoke is allowed to sink into the shaft main body are formed in advance in the inner circumferential surface of the shaft main body . A method for producing the propeller shaft comprises a yoke press fitting step and a yoke withdrawing step that is to be performed after the former step.

Propeller shaft and method for producing the same

Process for developing lithographic printing plate

There is disclosed a process for making a lithographic printing plate, which comprises subjecting a lithographic printing material having physical development nuclei between an anodized aluminum support and a silver halide emulsion layer to exposure and then processing the lithographic printing material at least with a developing solution, wherein the developing solution contains an alkaline earth metal.

Process for making lithographic printing plate

There is disclosed an aluminum lithographic printing plate material which comprises an aluminum substrate, a silver halide emulsion layer and a physical development nuclei layer between the aluminum substrate and the silver halide emulsion layer, said silver halide emulsion layer contains photographic gelatin and gelatin having a weight average molecular weight of about 50,000 or less is contained in said silver halide emulsion layer and/or under said layer.

Lithographic printing plate material

Disclosed is a process for making a lithographic printing plate, which comprises subjecting a lithographic printing material having physical development nuclei between an aluminum support and a silver halide emulsion layer to exposure and then processing the lithographic printing material at least with a developing solution, a water washing solution and a finishing solution in this order, wherein the processing with the water washing solution is carried out by using a water washing solution containing a compound having a mercapto group or a thione group.

Process for making lithographic printing plate with water wash

Disclosed is a process for processing a lithographic printing plate having a physical development nuclei layer between an aluminum support and a silver halide emulsion layer, which comprises processing the lithographic printing plate in the presence of a monocyclic azole compound having no mercapto group or a derivative thereof.

Process for processing lithographic printing plate

Disclosed is a process for making a lithographic printing plate by subjecting a lithographic printing material having physical development nuclei between an aluminum support and a silver halide emulsion layer to exposure and then processing the lithographic printing material at least with a developing solution and a water washing solution in this order, which comprises performing the processing(s) with the developing solution and/or the water washing solution by using the developing solution and/or the water washing solution containing an organic compound which coagulates gelatin.

Disclosed is a process for making a lithographic printing plate which utilizes the silver complex diffusion transfer process by subjecting the lithographic printing plate to exposure and then development processing and optionally stabilizing processing, which comprises performing the development processing/the stabilizing processing by using a developing solution/a stabilizing solution each containing a monothioether compound containing succinic acid, a salt thereof or a derivative thereof.

Disclosed is a method for making a lithographic printing plate from a photographic element according to the silver complex diffusion transfer process employing a coating development process with a small amount of developer, wherein the coating amount of the developer is 60 ml or less per 1 m.sup.2 of the photographic element and the developer contains a mercaptooxadiazole having an alkyl group of 4 or more carbon atoms or aryl group and an alkanolamine and/or a meso-ionic compound. The resulting lithographic printing plate has a high printing endurance and free from stains on the background in spite of carrying out the development by a coating method with a small amount of the developer for a short period of time.

Method for making lithographic printing plate

Disclosed is a process for treating a plate surface of a lithographic printing plate, which comprises, after exposing and developing a lithographic printing plate having a support and at least a silver halide emulsion layer and a physical development nuclei layer provided on the support, treating the plate surface of the lithographic printing plate with a plate surface-treating solution containing at least one water-insoluble compound having a mercapto group or a thione group and a compound represented by the following formula (1): ##STR1## wherein A represents a vinyl monomer unit having a carboxyl group, B represents a copolymerizable ethylenic unsaturated monomer unit, M represents a cation, k represents 30 to 90 mole %, m represents 10 to 50 mole %, and n represents 0 to 50 mole %.

Process for treating plate surface of lithographic printing plate

Disclosed is a developer for silver halide photographic light-sensitive material which contains at least one of the compounds represented by the following formulas [I], [II] and [III]: Formula [I]: ##STR1## wherein M represents a hydrogen atom, an alkali metal or NH.sub.4 and A and B each represents a mercapto group, a hydroxyl group, a hydroxyalkyl group, or ##STR2## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom or --X--Y group in which X represents a divalent group and Y represents a carboxyl group or a hydroxyl group, Formula [II]: ##STR3## wherein M represents a hydrogen atom, an alkali metal or NH.sub.4, A' represents an organic divalent group, and B' represents --SO.sub.3 M', --COOM', --SO.sub.2 NHR.sub.3, --CONHR.sub.3, or --OH wherein M' represents a hydrogen atom, an alkali metal atom or NH.sub.4, and R.sub.3 represents a hydrogen atom or an alkyl group of 1-3 carbon atoms, and Formula [III]: ##STR4## wherein M and B' are the same as defined in the above formula [II]:

Developer for silver halide photographic light-sensitive material

This invention provides an ink additive comprising at least one compound selected from a polymer represented by the following formula (I) and a polymer which contains unsubstituted or substituted alkylene oxide unit having a total carbon number of 4 of more and has an average molecular weight of 400 or more.

Lithographic printing ink additive

The invention provides a light-sensitive material for making lithographic printing plate through high-intensity short-time exposure which comprises a support and, provided thereon, at least a silver halide emulsion layer and a physical development nuclei layer wherein an intermediate layer comprising a water-permeable film forming polymer is provided between the emulsion layer and the nuclei layer. Furthermore, a process for making a lithographic printing plate from said light-sensitive material is provided which comprises subjecting the light-sensitive material to imagewise exposure of high intensity short time, silver complex diffusion transfer development and subsequently treatment with an oxidizing agent for silver and an oleophilic organic compound.

Light-sensitive material for lithographic printing plate and process for

The present invention provides a processing composition which is used for lithographic printing plate where silver image is used as ink receptive area for enhancing ink receptivity of the silver image. This composition contains an organic compound having two or more mercapto groups or thion groups and, in combination therewith, an aromatic sulfonic acid formalin condensate, an anionic surfactant having a polyoxyethylene group, an aromatic carboxylic acid, a hydrosulfite compound, a water-soluble polymer having a carboxyl group and having a number-average molecular weight of about 20,000 or less, a hydroxyaryl fatty acid, or an organic disulfide compound. If this composition additionally contains an oxidizing agent, it can further improve printing endurance of the printing plate.

Processing composition for printing plate

Growing community of inventors

Tokyo, Japan

Toshiro Kondo